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Autodesk Moldflow Error 99998 Full -

Error 99998 is a non-specific solver exit code. It essentially means the Moldflow solver process terminated unexpectedly before completing the analysis. Because it is a generic "catch-all" error, the cause can range from corrupt temporary files to insufficient memory permissions.

Check *.mfr or *.out log in study folder for exact error before 99998.
Example log snippet: autodesk moldflow error 99998 full

ERROR 99998: Solver terminated - insufficient memory for matrix solver.

  • Check mesh integrity:
  • Inspect geometry:
  • Thickness and feature review:
  • Boundary conditions and gating:
  • Material & process settings:
  • Solver controls:
  • Isolate the problem:
  • Use diagnostic outputs:
  • Seek vendor logs/support:
  • Moldflow includes a built-in repair utility: Error 99998 is a non-specific solver exit code

    Moldflow’s solver is CPU-intensive, but the UI uses the GPU. Switching GPUs mid-solve can trigger Error 99998. Check mesh integrity:

    Real-time antivirus scanners (McAfee, Norton, Windows Defender) sometimes lock the .tmp files Moldflow creates in the %TEMP% folder. When the solver tries to write to a locked buffer, it sees it as “full” and throws error 99998.