Solution : https://service.sap.com/sap/support/notes/931570 (SAP Service marketplace login required)
Key words :
transaction se91 create message 537, ebpenterprise buyer professional, attached correction instructions, applicable support package, message class bbp_ium, terms user creation, central user administration, create message 538, create message 539, user inconsistencies
Related Notes :
| 1022859 | USERS_GEN: Not able to include SU01 user in Org. Structure |
| 402592 | EBP in the environment of a Central User Administration |