SAP Message AD545 - Please maintain data class and size category for transp. table &

Diagnosis
There must be an entry in the technical settings (data type, sizecategory,...) for each logical table in the ABAP/4 Dictionary which wasstored as a transparent table. It is used in the calculation ofthe physical storage values for this table when it is created in thedatabase.

Procedure
You should, wherever possible, maintain the technical settingsfor this table. You can branch to the maintenance screen for thetechnical settings with Goto -> Tech. settings.