SAP Message RSOD122 - Characteristic &1 is a document property - compounding not changeable

Diagnosis
You have switched on/off the compounding for characteristic &V1&. Thisis not allowed for characteristics that can be document properties.

System Response
Characteristic &V1& can not be activated.

Procedure
Remove the property 'document attribute', activate the characteristic,and then switch the property 'document attribute' back on.