How To Fix UMC091 - There is more than one BDS document for &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: UMC - General Messages

• Message number: 091

• Message text: There is more than one BDS document for &1.

What causes this issue?

More than one BDS document exists. This may be caused by a transport if
you maintain documents in different systems.

System Response

The system cannot determine which document is the correct one. For this
reason, the system interrupts processing.

How to fix this error?

Start transaction <DS:TRAN.OAER>OAER</> to maintain the BDS document
for this object.
The class name is '&V2&'
The class type is 'OT'
The object key is '&V1&'

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.