When you tried to change SAP standard objects, you got error message No. EU526 "Carry out modification comparison for XXXX XXXXXX first. No changes possible",
Or when you try to enhance a program, but message ED248 "Object still in upgrade mode. Finish the upgrade first" occurs.
Netweaver based systems
EU526, SE38, SE37, SE24, SE51, SPAU, note corrections, notes, modification, carry out modification comparison first, modification adjustment, with modification assistant, without modification assistant, ED248, Object still in upgrade mode. Finish the upgrade first, , KBA , BC-DWB-CEX , Customer Extensions , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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