[snappyHexMesh] snappyHexMesh error "Cannot determine normal vector from patches."

lethu · July 10, 2017, 05:15

Hello everyone,

I am trying to run snappy on my STL files but I have this error message.
Apparently, it cannot find "Cannot determine normal vector from patches"
I have already check the concerned twoDPointCorrector.C file and it comes from this :

Code:

if (mag(pn) < VSMALL)
    {
        FatalErrorInFunction
            << "Cannot determine normal vector from patches."
            << abort(FatalError);
    }
    else
    {
        pn /= mag(pn);
    }

This is the error I get :

Code:

Checking initial mesh ...
Checking faces in error :
    non-orthogonality > 65  degrees                        : 0
    faces with face pyramid volume < 1e-13                 : 0
    faces with face-decomposition tet quality < 1e-15      : 0
    faces with concavity > 80  degrees                     : 0
    faces with skewness > 4   (internal) or 20  (boundary) : 0
    faces with interpolation weights (0..1)  < 0.02        : 0
    faces with volume ratio of neighbour cells < 0.01      : 0
    faces with face twist < 0.02                           : 0
    faces on cells with determinant < 0.001                : 0
Detected 0 illegal faces (concave, zero area or negative cell pyramid volume)
Checked initial mesh in = 0.28 s


Smoothing patch points ...
Smoothing iteration 0
Found 0 non-manifold point(s).

Scaling iteration 0
Moving mesh using displacement scaling : min:1  max:1
Correcting 2-D mesh motion--> FOAM Warning : 
[3] [4] 
[4] 
[4] --> FOAM FATAL ERROR: 
[4] Cannot determine normal vector from patches.
[4] 
[4]     From function void Foam::twoDPointCorrector::calcAddressing() const
[4]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.[5] 
[5] 
[5] --> FOAM FATAL ERROR: 
[5] Cannot determine normal vector from patches.
[5] 
[5]     From function void Foam::twoDPointCorrector::calcAddressing() const
[5]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[5] 
FOAM parallel run aborting
[6] 
[6] 
[6] --> FOAM FATAL ERROR: 
[6] Cannot determine normal vector from patches.
[6] 
[6]     From function void Foam::twoDPointCorrector::calcAddressing() const
[6]     in file twoDPointCorrector/twoDPointCorrector.C at line 105[7] 
[7] 
[7] --> FOAM FATAL ERROR: 
[7] Cannot determine normal vector from patches.
[7] 
[7]     From function void Foam::twoDPointCorrector::calcAddressing() const
[7]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[7] 
FOAM parallel run aborting
[7] 
[8] 
[8] 
[8] --> FOAM FATAL ERROR: 
[8] Cannot determine normal vector from patches.
[8] 
[8]     From function void Foam::twoDPointCorrector::calcAddressing() const
[8]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[8] 
FOAM parallel run aborting
[8] 
[9] 
[9] 
[9] --> FOAM FATAL ERROR: 
[9] Cannot determine normal vector from patches.
[9] 
[9]     From function void Foam::twoDPointCorrector::calcAddressing() const
[9]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[9] 
FOAM parallel run aborting
[9] 
[10] 
[10] 
[10] --> FOAM FATAL ERROR: 
[10] Cannot determine normal vector from patches.
[10] 
[10]     From function void Foam::twoDPointCorrector::calcAddressing() const
[10]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[10] 
FOAM parallel run aborting
[10] 
[11] 
[11] 
[11] --> FOAM FATAL ERROR: 
[11] Cannot determine normal vector from patches.
[11] 
[11]     From function void Foam::twoDPointCorrector::calcAddressing() const
[11]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[11] 
FOAM parallel run aborting
[11] 
[12] 
[12] 
[12] --> FOAM FATAL ERROR: 
[12] Cannot determine normal vector from patches.
[12] 
[12]     From function void Foam::twoDPointCorrector::calcAddressing() const
[12]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[12] 
FOAM parallel run aborting
[12] 
[13] 
[13] 
[13] --> FOAM FATAL ERROR: 
[13] Cannot determine normal vector from patches.
[13] 
[13]     From function void Foam::twoDPointCorrector::calcAddressing() const
[13]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[13] 
FOAM parallel run aborting
[13] 
[14] 
[14] 
[14] --> FOAM FATAL ERROR: 
[14] Cannot determine normal vector from patches.
[14] 
[14]     From function void Foam::twoDPointCorrector::calcAddressing() const
[14]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[14] 
FOAM parallel run aborting
[14] 
[15] 
[15] 
[15] --> FOAM FATAL ERROR: 
[15] Cannot determine normal vector from patches.
[15] 
[15]     From function void Foam::twoDPointCorrector::calcAddressing() const
[15]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[15] 
FOAM parallel run aborting
[15] 
[2] 
[2] 
[2] --> FOAM FATAL ERROR: 
[2] Cannot determine normal vector from patches.
[2] 
[2]     From function void Foam::twoDPointCorrector::calcAddressing() const
[2]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[2] 
FOAM parallel run aborting
[2] 
[1] 
[1] 
[1] --> FOAM FATAL ERROR: 
[1] Cannot determine normal vector from patches.
[1] 
[1]     From function void Foam::twoDPointCorrector::calcAddressing() const
[1]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[1] 
FOAM parallel run aborting
[1] 

[3] 
[3] --> FOAM FATAL ERROR: 
[3] Cannot determine normal vector from patches.
[3] 
[3]     From function void Foam::twoDPointCorrector::calcAddressing() const
[3]     in file twoDPointCorrector/twoDPointCorrector.C at line 105.
[3] 
FOAM parallel run aborting
[3] 

[4] 
FOAM parallel run aborting
[4] 
[5] 
.
[6] 
FOAM parallel run aborting
[6] 
[2] #0  Foam::error::printStack(Foam::Ostream&)[1] #0  Foam::error::printStack(Foam::Ostream&)[15] #0  Foam::error::printStack(Foam::Ostream&)[3] #0  Foam::error::printStack(Foam::Ostream&)[4] #0  Foam::error::printStack(Foam::Ostream&)[5] #0  Foam::error::printStack(Foam::Ostream&)[7] #0  Foam::error::printStack(Foam::Ostream&)[8] #0  Foam::error::printStack(Foam::Ostream&)[9] #0  Foam::error::printStack(Foam::Ostream&)[10] #0  Foam::error::printStack(Foam::Ostream&)[11] #0  Foam::error::printStack(Foam::Ostream&)[12] #0  Foam::error::printStack(Foam::Ostream&)[13] #0  Foam::error::printStack(Foam::Ostream&)[14] #0  Foam::error::printStack(Foam::Ostream&)[6] #0  Foam::error::printStack(Foam::Ostream&)    From function void Foam::motionSmootherAlgo::modifyMotionPoints(Foam::pointField&) const
    in file motionSmoother/motionSmootherAlgo.C at line 657
    2D mesh-motion probably not correct in parallel
--> FOAM Warning : 
    From function void Foam::twoDPointCorrector::calcAddressing() const
    in file twoDPointCorrector/twoDPointCorrector.C at line 160
    The number of points in the mesh is not equal to twice the number of edges normal to the plane - this may be OK only for wedge geometries.
    Please check the geometry or adjust the orthogonality tolerance.

Number of normal edges: 33396 number of points: 34348
 ...done
 at ??:?
 at ??:?
 at ??:?
 at ??:?
 at ??:?
[11] #1  Foam::error::abort() at ??:?
 at ??:?
[3] #1  Foam::error::abort()[6] #1  [14] #1  Foam::error::abort()Foam::error::abort()[12] #1   at ??:?
Foam::error::abort() at ??:?
 at ??:?
[8] #1  Foam::error::abort()[10] #1  Foam::error::abort() at ??:?
[5] #1  Foam::error::abort()[1] #1  Foam::error::abort()[9] #1  Foam::error::abort()[7] #1  Foam::error::abort() at ??:?
 at ??:?
[2] #1  Foam::error::abort()[4] #1  Foam::error::abort() at ??:?
[13] #1  Foam::error::abort() at ??:?
[15] #1  Foam::error::abort() at ??:?
[11] #2  Foam::twoDPointCorrector::calcAddressing() const at ??:?
 at ??:?
[5] #2  Foam::twoDPointCorrector::calcAddressing() const[9] #2  Foam::twoDPointCorrector::calcAddressing() const at ??:?
 at ??:?
 at ??:?
[10] #2  [8] #2  Foam::twoDPointCorrector::calcAddressing() const[14] #2  Foam::twoDPointCorrector::calcAddressing() constFoam::twoDPointCorrector::calcAddressing() const at ??:?
[6] #2  Foam::twoDPointCorrector::calcAddressing() const at ??:?
 at ??:?
[7] #2  Foam::twoDPointCorrector::calcAddressing() const[12] #2  Foam::twoDPointCorrector::calcAddressing() const at ??:?
[1] #2  Foam::twoDPointCorrector::calcAddressing() const at ??:?
 at ??:?
[2] #2  Foam::twoDPointCorrector::calcAddressing() const[4] #2  Foam::twoDPointCorrector::calcAddressing() const at ??:?
[3] #2  Foam::twoDPointCorrector::calcAddressing() const at ??:?
[13] #2  Foam::twoDPointCorrector::calcAddressing() const at ??:?
 at ??:?
[9] #3  Foam::twoDPointCorrector::normalEdgeIndices() const[11] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
[14] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
[6] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
 at ??:?
 at ??:?
[5] #3  Foam::twoDPointCorrector::normalEdgeIndices() const[15] #2  Foam::twoDPointCorrector::calcAddressing() const[12] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
[2] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
[7] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
 at ??:?
[10] #3  Foam::twoDPointCorrector::normalEdgeIndices() const[8] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
[4] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
[1] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
[3] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
[13] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
[5] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
 at ??:?
[11] #4  [9] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) constFoam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
[15] #3  Foam::twoDPointCorrector::normalEdgeIndices() const at ??:?
 at ??:?[14] #4  
 at ??:?
Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const[2] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const[6] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
[8] #4   at ??:?
Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const[4] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
[7] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
[12] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
[10] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
[1] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
[13] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
[3] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
 at ??:?
[5] #5  Foam::motionSmootherAlgo::curPoints() const[9] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
[15] #4  Foam::motionSmootherAlgo::modifyMotionPoints(Foam::Field<Foam::Vector<double> >&) const at ??:?
[11] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
 at ??:?
 at ??:?
[8] #5  Foam::motionSmootherAlgo::curPoints() const[6] #5  Foam::motionSmootherAlgo::curPoints() const[4] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
[2] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
 at ??:?
[7] #5  Foam::motionSmootherAlgo::curPoints() const[14] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
[1] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
[10] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
[12] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
[3] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
 at ??:?
[5] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int)[13] #5  Foam::motionSmootherAlgo::curPoints() const at ??:?
[11] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
[9] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
[8] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
[2] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
 at ??:?
[14] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int)[6] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
[4] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
 at ??:?
[7] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int)[1] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
[10] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
 at ??:?
[3] #6  [15] #5  Foam::motionSmootherAlgo::curPoints() constFoam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
 at ??:?
[5] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int)[13] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
[12] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int) at ??:?
[11] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[2] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
 at [14] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int)??:?
[6] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[8] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[1] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[7] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[3] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[5] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[13] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
 at ??:?
[15] #6  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, Foam::dictionary const&, Foam::dictionary const&, bool, int)[4] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[10] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[9] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
 at ??:?
[11] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&)[12] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[14] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[8] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[2] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[1] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[6] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[5] #9  Foam::snappySnapDriver::doSnap(Foam::dictionary const&, Foam::dictionary const&, double, double, Foam::snapParameters const&) at ??:?
[7] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[13] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[15] #7  Foam::motionSmootherAlgo::scaleMesh(Foam::List<int>&, Foam::List<Foam::Pair<int> > const&, bool, int) at ??:?
[3] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[4] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[10] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[9] #8   at ??:?
Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&)[11] #9  Foam::snappySnapDriver::doSnap(Foam::dictionary const&, Foam::dictionary const&, double, double, Foam::snapParameters const&) at ??:?
 at ??:?
[8] #9  Foam::snappySnapDriver::doSnap(Foam::dictionary const&, Foam::dictionary const&, double, double, Foam::snapParameters const&)[2] #9  Foam::snappySnapDriver::doSnap(Foam::dictionary const&, Foam::dictionary const&, double, double, Foam::snapParameters const&) at ??:?
[12] #8  Foam::snappySnapDriver::preSmoothPatch(Foam::meshRefinement const&, Foam::snapParameters const&, int, Foam::List<Foam::Pair<int> > const&, Foam::motionSmoother&) at ??:?
[5] #10   at ??:?


etc......

Does anyone has any clue ?
Thanks for helping !

otaolafr · June 3, 2020, 08:49

i am having the same issue! did you solved?
best regards.

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June 3, 2020, 08:49		#2
otaolafr Senior Member Franco Join Date: Nov 2019 Location: Compiègne, France Posts: 129 Rep Power: 7	i am having the same issue! did you solved? best regards. lourencosm likes this.