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Module symbol file for module mpi is in a format not recognized by this compiler error message

Troubleshooting


Problem

Compilation of Fortran code that uses Parallel Environment (PE) Fortran 90 type-checking module mpi.mod (via USE MPI statement) fails with XL Fortran Enterprise Edition for AIX, V11.1 and earlier versions.

Symptom

Consider Fortran source code that includes Parallel Environment (PE) Fortran 90 type-checking module mpi.mod:

      program test          
      use mpi                
      print *, 'testing mpi'  
      stop                  
      end program test      

Compiling this source code with XL Fortran Enterprise Edition for AIX, V11.1 or earlier version will cause compile time error:

1514-220 (S) Module symbol file for module mpi is in a format not recognized by this compiler. Please compile the module with this compiler.

[{"Product":{"code":"SSGH4D","label":"XL Fortran for AIX"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Compiler","Platform":[{"code":"PF002","label":"AIX"}],"Version":"10.1;11.1","Edition":"All Editions;Not Applicable","Line of Business":{"code":"LOB73","label":"Power TPS"}}]

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Document Information

Modified date:
11 June 2026

UID

swg21500619

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