Diagnosis
The Data Modeler has identified a problem within the program. Theprogram attempted to read a data model from the database. Thismodel does not exist in the database.

Procedure
There is probably a data error. Please check if all data modelsexist. In addition check that the data is correct via the consistencycheck of the Data Modeler.If all models really do exist, the problem is within the program inthe Data Modeler. Please refer this to your system administrator.