How To Fix MX526 - Data from &1 could not be copied back to multiplex table &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 526

• Message text: Data from &1 could not be copied back to multiplex table &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MX526 - Data from &1 could not be copied back to multiplex table &2 ?

  The SAP error message MX526 indicates that there was an issue when trying to copy data from one table (denoted as &1) back to a multiplex table (denoted as &2). This error typically occurs in the context of data processing or data transfer operations, particularly when dealing with multiplexed tables in SAP.
  Causes:
  
  Data Inconsistency: There may be inconsistencies in the data between the source table and the multiplex table, which prevents the data from being copied back.
  Locking Issues: The target multiplex table may be locked by another process, preventing the current operation from completing.
  Data Type Mismatch: There could be a mismatch in data types or structures between the source and target tables.
  Configuration Issues: Incorrect configuration settings in the SAP system related to data handling or multiplexing could lead to this error.
  Authorization Issues: The user executing the operation may not have the necessary permissions to perform the data copy operation.
  
  Solutions:
  
  Check Data Consistency: Verify that the data in the source table is consistent and matches the expected format for the multiplex table.
  Release Locks: Check if the target multiplex table is locked by another transaction. If so, wait for the lock to be released or resolve the locking issue.
  Review Data Types: Ensure that the data types and structures of the source and target tables are compatible.
  Configuration Review: Review the configuration settings related to the multiplex table and ensure they are set up correctly.
  User Permissions: Ensure that the user has the necessary authorizations to perform the operation. If not, adjust the user roles or permissions accordingly.
  Check Logs: Review system logs for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in diagnosing or resolving the issue, such as SE11 (Data Dictionary) or SE37 (Function Module).
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the root cause of the MX526 error and implement a suitable solution.