Autodesk Moldflow Error 99998 -

Run the tool to check for connectivity errors, free edges, and overlapping elements.

Troubleshooting Autodesk Moldflow Error 99998: License and Solver Issues

Error 99998 is frustrating because it’s a generic solver failure, but methodical isolation—geometry/mesh checks, material and BC verification, conservative solver settings, and targeted logging—usually uncovers the root cause. When in doubt, reproduce the issue with a minimal case and escalate to Autodesk with full diagnostics. autodesk moldflow error 99998

Ensure that your Autodesk license is active and properly configured. Licensing issues can sometimes cause unexpected errors.

Locate elements with an aspect ratio above 50:1 (for Dual-Domain) or 100:1 (for 3D meshes) and manually remesh those regions. Run the tool to check for connectivity errors,

Use the to automatically fix overlapping elements, free edges, and non-manifold nodes.

Select in the Advanced properties window. Under System Variables , click New . Ensure that your Autodesk license is active and

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Solved: ** ERROR 99998 ** - Autodesk Community

Often precedes 99998; specifically refers to missing Fiber license.