How To Fix M2091 - Not possible to change info structure

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 091

• Message text: Not possible to change info structure

What causes this issue?

The information structure has been generated in client &V1&. It is
therefore not possible to make a change in client &V2&.
Generation is possible using program RMCSISGN.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Instead of changing the information structure, you can use it as a
reference for creating a new information structure.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2091 - Not possible to change info structure ?

  The SAP error message M2091, which states "Not possible to change info structure," typically occurs when there are attempts to modify an info structure that is either locked, not in a modifiable state, or has been used in a way that prevents changes. This error is often encountered in the context of Material Management (MM) and Sales and Distribution (SD) modules, particularly when dealing with reporting and data structures.
  Causes of Error M2091:
  
  Info Structure Lock: The info structure may be locked for changes due to ongoing processes or transactions.
  Data Usage: The info structure might have been used in reports or other transactions, making it non-modifiable.
  Incorrect Configuration: The info structure may not be configured correctly, or the user may not have the necessary authorizations to make changes.
  System Settings: Certain system settings or parameters may prevent changes to the info structure.
  
  Solutions to Error M2091:
  
  Check Locks: Verify if the info structure is locked. You can use transaction codes like SM12 to check for locks and release them if necessary.
  Review Usage: Ensure that the info structure is not being used in any active reports or processes. If it is, you may need to wait until those processes are completed.
  Authorization Check: Ensure that the user has the necessary authorizations to modify the info structure. You may need to consult with your SAP security team.
  Configuration Review: Review the configuration settings for the info structure. Ensure that it is set up correctly and that all necessary parameters are in place.
  Use Transaction MC22: If you are trying to change an existing info structure, you can use transaction MC22 to make modifications. Ensure that you follow the correct steps and that the info structure is in a state that allows changes.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on modifying info structures.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MC21 (Create Info Structure), MC22 (Change Info Structure), and MC23 (Display Info Structure).
  SAP Notes: Check for any SAP Notes related to error M2091 for additional insights or patches that may address the issue.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.