Solution : https://service.sap.com/sap/support/notes/690652 (SAP Service marketplace login required)
Key words :
terms customizing documents reason, spro_admin-> tools ->allocation, table storage changed, lost customer documents, lost documents, customizing notes, documents automatically, higher release, img structure, note_allocate report
Related Notes :
| 709633 | Incorrect migration of projects |
| 658400 | |
| 42272 | IMG problems after upgrade |