SAP Message REB_GENERATOR088 - Working set structure &1 could not be written to DDIC

Diagnosis
The working set structure &v1& could not be written to the DDIC.
A working set structure is a standard structure. It must fulfill certainminimum requirements in terms of consistency before it can be created inthe DDIC.
A working set structure is generated for every registered application.It contains all the fields from all condition tables in the relevantapplication and subordinate applications. Some working set structuresalso contain the scale tables. It is used in condition maintenance whereit enables condition records to be maintained across usage and conditiontables.
The problem is probably due to an error in the field catalog definitionor a program error.

System Response
The working set structure &v1& is not copied to the DDIC and cannot beactivated later because it does not exist in the DDIC.

Procedure
Inform your system administrator.

Procedure for System Administration
If the error occurred after you added a new field to the field catalog,check the consistency of the field catalog. Otherwise, contact yoursupport organization.