Debugging

Hello 

I am running a problem and the simulation was halted at the middle of simulation. Here is the text that I found in the output file. How can I figure out and fix the problem?

Thank you

 

WRITE FILE *SAVE* AFTER  200 TIME STEPS  ---  THE TIME IS 0.177664E+08 SECONDS

   5 6( 201,  4) ST = 0.178176E+08 DT = 0.512000E+05 DX1= 0.493539E-01 DX2= 0.153188E-12 T =  25.000 P =   101384. S = 0.100000E+01 ICURV=0
 +++++++++ REDUCE TIME STEP AT ( 202,  9) ++++++++++++++++   NEW DELT = 0.256000E+05
   5 6( 202,  4) ST = 0.178432E+08 DT = 0.256000E+05 DX1= 0.245600E-01 DX2= 0.755338E-13 T =  25.000 P =   101384. S = 0.100000E+01 ICURV=0
   C28( 203,  4) ST = 0.178944E+08 DT = 0.512000E+05 DX1= 0.460132E-01 DX2= -.885438E-05 T =  25.000 P =   101329. S = 0.100000E+01 ICURV=0
 +++++++++ REDUCE TIME STEP AT ( 204,  9) ++++++++++++++++   NEW DELT = 0.256000E+05
 +++++++++   CANNOT FIND PARAMETERS AT ELEMENT *  022* IND = 4
 +++++++++   XX(M) = -.357613E+09 -.352229E-04 0.267538E+02 0.197846E+00 0.250000E+02
 +++++++++ REDUCE TIME STEP AT ( 204,  2) ++++++++++++++++   NEW DELT = 0.640000E+04
 CUBROOT: NSOL = 3  Z =          NaN   ZSOL =          NaN
 CUBROOT FAILS IN SRK, FIRST CALL
 COEFF1 =          NaN   COEFF0 =          NaN   XREAL =           NaN          NaN          NaN
 +++++++++   CANNOT FIND PARAMETERS AT ELEMENT *  022* IND = 4
 +++++++++   XX(M) =          NaN          NaN          NaN          NaN 0.250000E+02
 +++++++++ REDUCE TIME STEP AT ( 204,  4) ++++++++++++++++   NEW DELT = 0.160000E+04
 TEMPERATURE = 0.250000E+02  OUT OF RANGE IN COWAT
 +++++++++   CANNOT FIND PARAMETERS AT ELEMENT *  512* IND = 4
 +++++++++   XX(M) = -.263074E+09 0.656725E-32 0.100001E+01 0.559674E-01 0.250000E+02
 +++++++++ REDUCE TIME STEP AT ( 204,  3) ++++++++++++++++   NEW DELT = 0.400000E+03
 CUBROOT: NSOL = 3  Z =          NaN   ZSOL =          NaN
 CUBROOT FAILS IN SRK, FIRST CALL
 COEFF1 =          NaN   COEFF0 =          NaN   XREAL =           NaN          NaN          NaN
 +++++++++   CANNOT FIND PARAMETERS AT ELEMENT *  022* IND = 4
 +++++++++   XX(M) =          NaN          NaN          NaN          NaN 0.250000E+02
 +++++++++ REDUCE TIME STEP AT ( 204,  5) ++++++++++++++++   NEW DELT = 0.100000E+03
 +++++++++ REDUCE TIME STEP AT ( 204,  9) ++++++++++++++++   NEW DELT = 0.250000E+02
 CUBROOT: NSOL = 3  Z =          NaN   ZSOL =          NaN
 CUBROOT FAILS IN SRK, FIRST CALL
 COEFF1 =          NaN   COEFF0 =          NaN   XREAL =           NaN          NaN          NaN
 +++++++++   CANNOT FIND PARAMETERS AT ELEMENT *  022* IND = 4
 +++++++++   XX(M) =          NaN          NaN          NaN          NaN 0.250000E+02
 +++++++++ REDUCE TIME STEP AT ( 204,  6) ++++++++++++++++   NEW DELT = 0.625000E+01
 CUBROOT: NSOL = 3  Z =          NaN   ZSOL =          NaN
 CUBROOT FAILS IN SRK, FIRST CALL
 COEFF1 =          NaN   COEFF0 =          NaN   XREAL =           NaN          NaN          NaN
 +++++++++   CANNOT FIND PARAMETERS AT ELEMENT *  022* IND = 4
 +++++++++   XX(M) =          NaN          NaN          NaN          NaN 0.250000E+02
 +++++++++ REDUCE TIME STEP AT ( 204,  7) ++++++++++++++++   NEW DELT = 0.156250E+01
   C25( 204,  1) ST = 0.178944E+08 DT = 0.156250E+01 DX1= 0.000000E+00 DX2= 0.000000E+00 T =  25.000 P =   101329. S = 0.995319E+00 ICURV=0
   C25( 205,  1) ST = 0.178944E+08 DT = 0.312500E+01 DX1= 0.000000E+00 DX2= 0.000000E+00 T =  25.000 P =   101329. S = 0.995319E+00 ICURV=0
 CUBROOT: NSOL = 3  Z =          NaN   ZSOL =          NaN
 CUBROOT FAILS IN SRK, FIRST CALL
 COEFF1 =          NaN   COEFF0 =          NaN   XREAL =           NaN          NaN          NaN
 +++++++++   CANNOT FIND PARAMETERS AT ELEMENT *  022* IND = 4
 +++++++++   XX(M) =          NaN          NaN          NaN          NaN 0.250000E+02

 +++++++++ CONVERGENCE FAILURE ON TIME STEP # 206 WITH DT = 0.625000E+01 SECONDS, FOLLOWING TWO STEPS THAT CONVERGED ON ITER = 1
           STOP EXECUTION AFTER NEXT TIME STEP
 +++++++++ REDUCE TIME STEP AT ( 206,  7) ++++++++++++++++   NEW DELT = 0.156250E+01

 +++++++++ CONVERGENCE FAILURE ON TIME STEP # 206 WITH DT = 0.156250E+01 SECONDS, FOLLOWING TWO STEPS THAT CONVERGED ON ITER = 1
           STOP EXECUTION AFTER NEXT TIME STEP
 +++++++++ REDUCE TIME STEP AT ( 206,  9) ++++++++++++++++   NEW DELT = 0.390625E+00

 +++++++++ CONVERGENCE FAILURE ON TIME STEP # 206 WITH DT = 0.390625E+00 SECONDS, FOLLOWING TWO STEPS THAT CONVERGED ON ITER = 1
           STOP EXECUTION AFTER NEXT TIME STEP
 +++++++++ REDUCE TIME STEP AT ( 206,  9) ++++++++++++++++   NEW DELT = 0.976562E-01
   485( 206,  8) ST = 0.178944E+08 DT = 0.976562E-01 DX1= -.721896E+01 DX2= 0.394939E-11 T =  25.000 P =   101377. S = 0.793026E+00 ICURV=0

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