SAP Message C$341 - TCG11: cannot find name for class &1 in value assignment type &2

Diagnosis
Up to Release 3.0E, value assignment types are assigned to classesusing the internal class number. As of Release 3.0F the class name(external class number) is used instead.
The system was unable to find a class name for the assigned class &V1&,which is assigned to the value assignment type &V2&. This indicatesthat the class assigned in TCG11 does not (yet) exist in the system.

System Response
The (new) field in table TCG11 remains blank.

Procedure
Ensure that you have converted and activated the table with the classdefinitions (KLAH).
Should an error occur during the conversion program, there is a risk ofdata inconsistencies. In this case, you cannot use the EH&S mdoule.Lock the relevant transactions (all transactions starting with CG)until the problem has been solved.