SAP Message RSEC264 - Characteristic dimensions cannot be created multiple times

Diagnosis
Only normal characteristics with its naming convention are allowed.Otherwise navigation attributes with the separator__ (two underscores).
InfoSet characteristic names are not allowed in authorizationmaintenance. These need to be changed in their underlying names becausethey can change during transport and then be removed during the check.
The existing error also occurs when you try to create the sameauthorization dimension twice.

Procedure
Consult the value help (F4) to select the possible authorizationrelevant characteristics.