While running the optisruct for 2D meshing the following error ooccured.
*** ERROR # 9003 ***
FORTRAN CLOSE error.
Closing file: H:/2d gopesh 6-3-17/6-3-17.out with status=delete.
File unit number is 12.
FORTRAN/system error is number 46.
**** ABORTING RUN DUE TO UNEXPECTED ERROR CONDITION ****
==== End of solver screen output ====
Plz help me with the solving the problem
