Symptom
When you try to make "incompatiable change" (such as changing class attributes, deleting methods, even deleting the whole class) in SE24, you get error message OO401 "You cannot perform this action in modification/enhancement mode".
Read more...
Environment
NetWeaver ABAP based systems
Keywords
OO401, You cannot perform this action in modification/enhancement mode, SE24, incompatiable change , KBA , BC-DWB-TOO-CLA , Class Builder , BC-DWB-CEX , Customer Extensions , How To
About this page
This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).Search for additional results
Visit SAP Support Portal's SAP Notes and KBA Search.