How To Fix TG578 - Table & (MCOB pool) is not contained in the shadow tables - OK

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 578

• Message text: Table & (MCOB pool) is not contained in the shadow tables - OK

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG578 - Table & (MCOB pool) is not contained in the shadow tables - OK ?

  The SAP error message TG578 indicates that a specific table (in this case, the table represented by &, which is a placeholder for the actual table name) is not found in the shadow tables of the MCOB (Multi-Client Object Buffer) pool. This can occur in various scenarios, particularly when dealing with database changes, transport requests, or issues with the buffer.
  Cause:
  
  Missing Shadow Table: The shadow table for the specified table has not been created or is missing. This can happen if the table was recently created or modified and the changes have not been properly reflected in the shadow tables.
  Transport Issues: If the table was transported from one system to another, the transport might not have included the necessary shadow table definitions.
  Database Issues: There may be inconsistencies in the database or issues with the database connection that prevent the shadow table from being recognized.
  Buffer Issues: The buffer might not be updated correctly, leading to discrepancies between the main table and its shadow.
  
  Solution:
  
  Check Table Existence: Verify that the table exists in the database and that it is correctly defined. You can do this by using transaction SE11 (Data Dictionary) to check the table definition.
  Rebuild Shadow Tables: If the shadow table is missing, you may need to rebuild it. This can often be done by using transaction SE14 (Database Utility) to activate the table, which should create the necessary shadow tables.
  Transport Request: If the issue arose after a transport, ensure that the transport request included all necessary objects. You may need to re-transport the objects or manually create the shadow table.
  Buffer Management: You can clear the buffer using transaction SM12 (to delete lock entries) and transaction SM21 (to check the system log for errors). Additionally, you can use transaction SM56 to manage the buffer.
  Database Consistency Check: Run a consistency check on the database to ensure that there are no underlying issues. This can be done using transaction DB02 or DBACOCKPIT.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SM12 (Lock Entries), SM21 (System Log), DB02 (Database Performance), DBACOCKPIT (Database Administration).
  SAP Notes: Always check for relevant SAP Notes that may provide specific guidance or patches related to this error.
  Documentation: Review SAP documentation for details on MCOB and shadow tables, as well as best practices for managing database objects.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.