Autodesk Moldflow Error 99998 Full • Ultimate

The most common cause. The error says “Full” because your hard drive (or the specific drive where Moldflow writes temporary files) has 0 bytes free. Moldflow requires 5-10x the size of your study file in free space during the solve phase.

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.

The most common cause is poor mesh quality, specifically high aspect ratio elements or overlapping elements. The most common cause

  • Use the Mesh Repair Wizard to automatically fix high aspect ratios.
  • Check for Overlapping Elements or Intersection errors in the mesh logs.

    • A corrupt mesh can cause the solver to write nonsense data, filling the disk instantly. The most common cause is poor mesh quality,

    Quick test: