Fatal Error: Cannot read module file 'compar.mod' opened at (1), because it was created by a different version of GNU Fortran compilation terminated

Fatal Error: Cannot read module file ‘compar.mod’ opened at (1), because it was created by a different version of GNU Fortran compilation terminated.

I was building a solver to set up the chemical reactioin. what should i do to solve the problem?

Please click “Clean” and try again.