At its core, is a communication failure. Moldflow is a modular software; the User Interface (Synergy) must communicate with the Solver (Insight) and the License Manager . When this chain is broken, the software throws a generic 99998 code.
Or:
– Switch to a different, well-known material from the same grade family. If the error disappears, the original material entry is corrupt (you may need to reinstall the material database). autodesk moldflow error 99998 exclusive