[mondy]

I am calculating an arc welding model. The total time is 38 s. A problem "void region problems" occurred at time=9.927 s. The version is Flow3D v11.2. Could anyone help me? What is the reason? And how to solve it?. Detail error messages are below:

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restart and spatial data available at t= 9.92727E+00
***
9.92727E+00 527878 1.74E-05 1.74E-05/st 2 1.17E-02 2 7.77E-01 6.9025E-06 +9.36E-01 0.39 6.8420E-06 0.99 6:11:11:46 100 00:18:11 18:06:50:37

end of calculation at t= 9.92727E+00 cycle = 527878
void region problems


elapsed time = 5.58709E+05 seconds, or
6 days : 11 hours : 11 minutes : 49 seconds

cpu = 3.93763E+07 seconds

date of completion = 07/06/2023
time = 00:18:14

Postprocessor starting

Postprocessor Done
//====================