How To Fix SCPR553 - Internal BC Set &1 errors. You cannot save it

SAP Error Message - Details

• Message type: E = Error

• Message class: SCPR - BC Sets

• Message number: 553

• Message text: Internal BC Set &1 errors. You cannot save it

What causes this issue?

The BC Set &V1& contains internal errors and cannot be saved.
Internal errors could be:
The BC Set name contains invalid characters. It can only contain A-Z,
0-9 and the special characters "_" and "/".
The BC Set type is incorrect or unknown. The internal structures of a
value BC Set are different from the structures of a hierarchical BC Set.
The internal data structures of the BC Sets have been incorrectly
formatted and cannot be saved in the database.
The BC Set contains key conflicts, i.e. data records with the same key
but different data. Data records must have unique keys.

System Response

The BC Set cannot be saved.

How to fix this error?

Repeat the action. Check the BC Set name and type, and ensure that it
contains no key conflicts.
If the error persists, send a detailed error description to SAP.

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.