file could not be found. The location specified is not a valid PDB , the PDB cannot be accessed, or the PDB specified is corrupt. Make sure that the migration user has access to the Project Database files, and use the Version Manager PDBs dialog box in the Migration Designer to remove and then re-add the corresponding Version Manager PDB definition.
The config file could not be found for one of the Version Manager PDB projects. Make sure that the migration user has access to the project database files. If so, use the Version Manager PDBs dialog box in the Migration Designer to remove and then re-add the corresponding Version Manager PDB definition, and then attempt the export again.
VmExport encountered an exception while attempting to identify the location of the PDB Access Control Database (ACDB). The users/groups in the ACDB will not be migrated. The included exception information should provide further details about the error.