How To Fix RSRV063 - Internal error: Class &1 does not implement the interface IF_RSRV_ATOM

RSRV063 - Overview

• Message type: E = Error

• Message class: RSRV -

• Message number: 063

• Message text: Internal error: Class &1 does not implement the interface IF_RSRV_ATOM

What causes this issue?

This is an internal error in the test environment. Notify SAP Portals
of this error.
Class &V1& that implements an elementary test, does not implement the
<AB>IF_RSRV_ATOM </>interface. The elementary test cannot be carried
out. There is probably an inconsistency in the internal test
description.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

RSRV063 - Details

• The SAP error message RSRV063 indicates that there is an internal error related to a class that does not implement the required interface IF_RSRV_ATOM. This typically occurs in the context of SAP BW (Business Warehouse) when there are issues with the data model or the implementation of certain classes.
  
  Cause:
  
  Missing Implementation: The class mentioned in the error message does not implement the IF_RSRV_ATOM interface. This can happen if the class was modified or if there are inconsistencies in the system.
  Custom Development: If there are custom classes or enhancements that are supposed to implement this interface but do not, it can lead to this error.
  System Upgrade or Patch: Sometimes, after an upgrade or patch, certain classes may not be compatible or may not have been updated correctly.
  Transport Issues: If the class was transported from another system and the transport did not include all necessary components, it could lead to this error.
  
  
  Solution:
  
  Check Class