How To Fix SGT_01478 - No input permitted; structure is not locked

SAP Error Message - Details

• Message type: E = Error

• Message class: SGT_01 - SGT_01

• Message number: 478

• Message text: No input permitted; structure is not locked

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SGT_01478 - No input permitted; structure is not locked ?

  The SAP error message SGT_01478 indicates that no input is permitted because the structure is not locked. This typically occurs in the context of SAP's Global Trade Services (GTS) or when dealing with data structures that require a locking mechanism to ensure data integrity during processing.
  Cause:
  
  Structure Not Locked: The primary reason for this error is that the data structure you are trying to modify or input data into is not locked. In SAP, certain operations require that the data structure be locked to prevent concurrent modifications that could lead to data inconsistencies.
  User Permissions: The user may not have the necessary permissions to lock the structure or to perform the operation.
  System Configuration: There may be configuration settings in the GTS or the relevant module that prevent locking of the structure.
  
  Solution:
  
  Lock the Structure: Ensure that the structure is properly locked before attempting to input data. This may involve using specific transaction codes or functions within the SAP system to lock the structure.
  Check User Permissions: Verify that the user has the necessary permissions to lock the structure and perform the required operations. If not, consult with your SAP administrator to adjust the permissions.
  Review Configuration Settings: Check the configuration settings in the relevant SAP module (like GTS) to ensure that the locking mechanism is enabled and functioning correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific instructions on how to lock structures in the context you are working in.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it seems to be a system-level issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in locking structures or managing data inputs.
  SAP Notes: Look for SAP Notes related to this error message for any patches or updates that may address the issue.
  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 resolve the error and proceed with your tasks in SAP.