How To Fix MX520 - Activation of view & caused by multiplex table &

SAP Error Message - Details

• Message type: E = Error

• Message class: MX - Table Multiplexing and Conversion Programs for UPG

• Message number: 520

• Message text: Activation of view & caused by multiplex table &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MX520 - Activation of view & caused by multiplex table & ?

  The SAP error message MX520 typically indicates an issue related to the activation of a view that is dependent on a multiplex table. This error can occur in various scenarios, particularly when working with database views or when there are inconsistencies in the underlying database tables.
  Cause:
  
  Multiplex Table Issues: The error often arises when the view you are trying to activate is based on a multiplex table that has not been properly defined or has inconsistencies.
  Data Dictionary Inconsistencies: There may be inconsistencies in the data dictionary, such as missing or incorrect definitions for the tables or fields involved in the view.
  Database Locking: Sometimes, database locks can prevent the activation of views, especially if another process is currently using the multiplex table.
  Transport Issues: If the view or its underlying tables were transported from another system, there may be issues with the transport that need to be resolved.
  
  Solution:
  
  Check Table Definitions: Verify that the multiplex table and all related tables are correctly defined in the data dictionary. Ensure that all fields and data types are consistent.
  Activate Related Objects: Sometimes, activating the underlying tables or other related objects can resolve the issue. Try activating the multiplex table and any other dependent objects first.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the database tables that might be preventing the activation. If locks are found, you may need to release them.
  Rebuild the View: If the issue persists, consider deleting and recreating the view. This can sometimes resolve underlying issues that are not immediately apparent.
  Transport Check: If the view was transported, check the transport logs for any errors or warnings that might indicate what went wrong during the transport process.
  Consult SAP Notes: Look for relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE14 (Database Utility), and SE80 (Object Navigator) to help diagnose and resolve issues.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the problem persists and you have access to SAP Support, consider opening a support ticket for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the MX520 error in SAP.