an error in abaqus

hi

I have compiled a fortran code and used it as a subroutine but I have resieved this errore:

Error in job Base_subro: Problem during linking - Abaqus/Standard User Subroutines.   This error may be due to a mismatch in the Abaqus user subroutine arguments.   These arguments sometimes change from release to release, so user subroutines   used with a previous release of Abaqus may need to be adjusted.

Wht should I do with it?

Thanks