SAP Message UGMD124 - Database conversion may cause loss of data

Diagnosis
New database tables have been generated for characteristic &V1&. Thisregeneration substitutes table &V2& with table &V3&. However, there maybe circumstances in which the data of table &V2& cannotbe copied to table &V3& without losses.
For example, this may be the case when you shorten the length ofexisting fields or when you change a field type from C (characters) toNUMC (numeric). Deleting an existing compound of characteristics canalso cause such a situation.

System Response
Processing has been interrupted. The generation of the new tablestructure has not yet begun.

Procedure
Decide whether you really want to keep the changes. This is normallyonly advisable if (1) no data has been posted yet, or (2) only test datahas been posted.
If you want to undo the changes that have been triggered by thismessage, you can do this in the definitions of the affected InfoObjects.