How To Fix MSG_CL_ER165 - Invalid update: &1 &2 may not be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_CL_ER - Message Class for Enterprise Registry

• Message number: 165

• Message text: Invalid update: &1 &2 may not be changed

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_ER165 - Invalid update: &1 &2 may not be changed ?

  The SAP error message MSG_CL_ER165 with the description "Invalid update: &1 &2 may not be changed" typically occurs when there is an attempt to modify a field or data that is not allowed to be changed in the current context. This can happen in various scenarios, such as during updates to certain records or when trying to change data that is locked or restricted by business rules.
  Causes:
  
  Field Restrictions: The field you are trying to update may have restrictions based on the business logic defined in the system. For example, certain fields may be set as read-only after a specific status is reached.
  Data Locking: The record you are trying to modify may be locked by another user or process, preventing any changes.
  Incorrect Update Logic: The update logic in the program or transaction may not be correctly handling the state of the data, leading to attempts to change fields that should remain unchanged.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the specified fields.
  
  Solutions:
  
  Check Field Status: Review the field's status in the context of the transaction or program. Ensure that the field is allowed to be changed based on the current state of the record.
  Review Business Logic: If you have access to the ABAP code, check the logic that handles the update. Ensure that it correctly respects the conditions under which fields can be modified.
  Data Locking: Verify if the record is locked by another user or process. You can use transaction codes like SM12 to check for locks and SM21 for system logs.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the update. You can check this in transaction SU53 after the error occurs.
  Consult Documentation: If the error is related to a specific module or process, consult the relevant SAP documentation or help resources for guidance on the expected behavior and restrictions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator), SE37 (Function Module), and SE11 (Data Dictionary) to investigate the underlying data structures and logic.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant code to analyze the flow and identify where the error is triggered.
  
  If the issue persists after checking these areas, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.