Extension & is already assigned to basic type &
Message type: E = Error
Message class: EA - IDoc Basis Messages
Message number: 511
Message text: Extension & is already assigned to basic type &
What causes this issue?
Basic type &v2& is already designated for extension &v1&.
System Response
Extension does not require repair.
How to fix this error?
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.