Diagnosis
The data modeler determined an internal problem in the program. Theprogram tried to read the entity type &V1& from the database. Thisentity type does not exist in the database.

Procedure
This is probably a data error. Please check whether the entity typeV1 exists. in addition, check that the data is correct, using theconsistency check of the data modeler.
If the entity type really does exist, there is an internal programerror in the data modeler. Please refer this to your systemadministrator.