How To Fix MW758 - The calling application cannot change allocation table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 758

• Message text: The calling application cannot change allocation table &1

What causes this issue?

Allocation table &V1& was not created by the calling application. The
allocation table can only be changed by the application that actually
created it.

System Response

You cannot change allocation table &V1& using this application.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW758 - The calling application cannot change allocation table &1 ?

  The SAP error message MW758, "The calling application cannot change allocation table &1," typically occurs in the context of inventory management or materials management when there is an attempt to modify an allocation table that is either locked or not in a state that allows changes.
  Causes:
  
  Locking Issues: The allocation table may be locked by another user or process, preventing changes.
  Status of the Allocation Table: The allocation table might be in a status that does not allow modifications (e.g., it could be finalized or closed).
  Authorization Issues: The user may not have the necessary permissions to make changes to the allocation table.
  Technical Errors: There could be a technical issue or bug in the SAP system that is causing the error.
  
  Solutions:
  
  Check Locks: Use transaction code SM12 to check if the allocation table is locked by another user. If it is, you may need to wait for the lock to be released or contact the user who has the lock.
  Review Allocation Table Status: Verify the status of the allocation table. If it is closed or finalized, you may need to reopen it or create a new allocation table.
  Authorization Check: Ensure that the user has the necessary authorizations to modify the allocation table. This may involve checking roles and permissions in transaction code PFCG.
  Technical Support: If the issue persists, consider reaching out to your SAP Basis or technical support team to investigate any underlying technical issues or bugs.
  Consult Documentation: Review SAP documentation or notes related to this error message for any specific guidance or patches that may be applicable.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To check and manage locks.
  PFCG: To manage user roles and authorizations.
  MB1A/MB1B: For inventory management transactions.
  
  
  SAP Notes: Search for SAP Notes related to error MW758 in the SAP Support Portal for any known issues or fixes.
  User Forums: Consider checking SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to diagnose and resolve the MW758 error in your SAP system.