[immortality]

Its very urgent.whats this error means?
please help if anyone knows.
thanks.
Mean and max Courant Numbers = 0.103416 0.218151
Time = 1e-06

diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0
diagonal: Solving for rhoUx, Initial residual = 0, Final residual = 0, No Iterations 0
diagonal: Solving for rhoUy, Initial residual = 0, Final residual = 0, No Iterations 0
swak4Foam: Allocating new repository for sampledGlobalVariables
smoothSolver: Solving for Ux, Initial residual = 3.07292e-06, Final residual = 2.04556e-17, No Iterations 3
smoothSolver: Solving for Uy, Initial residual = 1, Final residual = 6.3324e-17, No Iterations 3
diagonal: Solving for rhoE, Initial residual = 0, Final residual = 0, No Iterations 0
smoothSolver: Solving for e, Initial residual = 2.66479e-06, Final residual = 2.52077e-10, No Iterations 201
word::stripInvalid() called for word r
For debug level (= 2) > 1 this is considered fatal
Aborted