How To Fix MC998 - Matchcode upgrade with repository switch

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 998

• Message text: Matchcode upgrade with repository switch

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MC998 - Matchcode upgrade with repository switch ?

  The SAP error message MC998, which states "Matchcode upgrade with repository switch," typically occurs during the execution of a transaction that involves matchcode objects in the SAP system. This error is often related to issues with the matchcode objects or the underlying database tables that they reference.
  Cause:
  
  Repository Switch: The error usually indicates that there is a mismatch or inconsistency in the matchcode objects due to a repository switch. This can happen if the system has undergone a change in the underlying data model or if there have been updates to the matchcode objects that have not been properly activated or synchronized.
  Inconsistent Data: The matchcode objects may not be properly defined or may reference outdated or inconsistent data in the database.
  Transport Issues: If the matchcode objects were transported from one system to another (e.g., from development to production), there may be issues with the transport that led to inconsistencies.
  
  Solution:
  
  Rebuild Matchcodes: The first step in resolving this error is to rebuild the matchcode objects. This can be done using transaction codes such as SE11 (Data Dictionary) or SE78 (SAP ArchiveLink) to access the matchcode objects and regenerate them.
  Check for Repository Switch: Ensure that the repository switch is correctly configured. You may need to check the settings in transaction SE03 (Transport Organizer Tools) to ensure that the matchcode objects are properly activated.
  Consistency Check: Perform a consistency check on the matchcode objects. You can use transaction SE11 to check the matchcode object definitions and ensure that they are correctly defined.
  Transport Management: If the issue arose after a transport, check the transport logs for any errors or warnings that may indicate problems with the matchcode objects. You may need to re-transport the objects or manually adjust them in the target system.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that can resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE03, and SE78 for managing matchcode objects and checking repository settings.
  SAP Documentation: Review SAP documentation related to matchcode objects and repository management for more detailed guidance on troubleshooting and resolving issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or reach out to SAP support for further assistance.