An error occurred ("The argument "boundary" is not valid. Boundary does not lie on a surface. (System.ArgurmentException: The argument "boundary" is not valid. Boundary does not lie on a surface. atBentley.Structural.Ism.ApiImp.IsmTrimmedSurface3D
When converting an older ISM repository to SELECTseries 5, when the model contains certain surface geometry the error can occur.
Recover the repository by installing the same Structural Synchronizer version the repository was created with and editing the repository with the ISM editor. Delete the all of plates in the editor that are causing the boundary error and update the repository with the editor. The repository can then be opened and updated with the latest version of synchronizer.
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