How To Fix MSG_CL_ER174 - Invalid update: Attempt to change readonly data

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_CL_ER - Message Class for Enterprise Registry

• Message number: 174

• Message text: Invalid update: Attempt to change readonly data

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 MSG_CL_ER174 - Invalid update: Attempt to change readonly data ?

  The SAP error message MSG_CL_ER174 ("Invalid update: Attempt to change readonly data") typically occurs when there is an attempt to modify data that is marked as read-only in the system. This can happen in various scenarios, such as when trying to update a database record that is locked, or when the data is in a state that does not allow modifications.
  Causes:
  
  Read-Only Data: The data you are trying to modify is marked as read-only. This can happen if the data is part of a transaction that has already been committed or if it is in a state that does not allow changes.
  Locking Issues: The record may be locked by another user or process, preventing any updates.
  Incorrect Configuration: The configuration of the application or the data model may not allow for updates in certain scenarios.
  Authorization Issues: The user may not have the necessary permissions to modify the data.
  Data Consistency: The system may be enforcing data consistency rules that prevent changes to certain fields or records.
  
  Solutions:
  
  Check Data Status: Verify the status of the data you are trying to modify. Ensure that it is not in a read-only state or locked by another transaction.
  Review User Permissions: Ensure that the user has the necessary authorizations to perform the update. You may need to consult with your SAP security team.
  Transaction Management: If the data is part of a transaction, ensure that the transaction is still open and has not been committed. If it has been committed, you may need to create a new transaction to make changes.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered and understand the context better.
  Consult Documentation: Review SAP documentation or notes related to the specific module or transaction you are working with to see if there are known issues or additional configuration steps required.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error message or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to the data you are working with, as they may have specific behaviors regarding data updates.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.