Solution : https://service.sap.com/sap/support/notes/480125 (SAP Service marketplace login required)
Key words :
terms enterprise buyer professional edition, enterprise buyer professional edition 3, long waiting period, /3 support package sapku30007, /3 support packages sapku20c12, advance correction refer, settings -> change attributes', save attribute values, change attributes, attribute values
Related Notes :
| 554667 | EBP 3.+: BBPATTRMAINT - Purchase order value limits missing |
| 110909 | Composite SAP note on generic attributes |