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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSRV063 - Internal error: Class &1 does not implement the interface IF_RSRV_ATOM ?

  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 Implementation: Verify that the class mentioned in the error message implements the IF_RSRV_ATOM interface. You can do this by going to the ABAP Workbench (SE80) and checking the class definition.
  Reimplement or Correct the Class: If the class does not implement the interface, you may need to either implement the required methods or revert to a previous version of the class that does.
  Check for Custom Code: If there is custom code involved, ensure that it adheres to the required interfaces and standards. You may need to consult with the developer who created the custom code.
  System Consistency Check: Run a consistency check in the BW system to identify any other potential issues. You can use transaction RSRV to check for inconsistencies in the data model.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve the issue.
  Transport Management: If the issue arose after a transport, ensure that all necessary objects were included in the transport request and that they were imported correctly.
  
  Related Information:
  
  Transaction RSRV: This transaction is used for checking the consistency of InfoProviders and other BW objects. It can help identify issues related to data models.
  ABAP Workbench (SE80): Use this to check the implementation of classes and interfaces.
  SAP Support Portal: A valuable resource for finding SAP Notes and updates related to specific errors.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with the error details and any steps you have already taken.