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 # ansys.meshing.prime.ErrorCode

 Last update: 02.04.2026 

<a id="ansys.meshing.prime.ErrorCode.WRAPPERPATCHFLOWREGIONS_EMPTYORINVALIDINPUT"></a>

#### ErrorCode.WRAPPERPATCHFLOWREGIONS\_EMPTYORINVALIDINPUT *= 3449*

Empty or invalid input face zonelet ids.

**This is a beta parameter**. **The behavior and name may change in the future**.