How To Fix 1X051 - Enter a nonexistent structure type

SAP Error Message - Details

• Message type: E = Error

• Message class: 1X - General hierarchy maintenance tool message

• Message number: 051

• Message text: Enter a nonexistent structure type

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1X051 - Enter a nonexistent structure type ?

  The SAP error message 1X051: "Enter a nonexistent structure type" typically occurs when you are trying to reference a structure type in your ABAP code or configuration that does not exist in the system. This can happen in various contexts, such as when defining data types, structures, or when working with data dictionary objects.
  Causes:
  
  Typographical Error: The structure name may have been misspelled or incorrectly referenced in the code.
  Nonexistent Structure: The structure you are trying to use has not been created or activated in the Data Dictionary (SE11).
  Transport Issues: If the structure was recently created in a different environment (like development) and has not been transported to the current environment (like quality or production), it may not exist there.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the structure, leading to the perception that it does not exist.
  
  Solutions:
  
  Check Structure Name: Verify that the structure name is spelled correctly in your code or configuration.
  Create/Activate Structure: If the structure does not exist, you may need to create it in the Data Dictionary (SE11) and ensure it is activated.
  Transport Request: If the structure exists in another environment, ensure that it is included in a transport request and has been successfully transported to the current environment.
  Authorization Check: Ensure that the user has the necessary authorizations to access the structure. You may need to consult with your SAP security team.
  Use Data Dictionary Tools: Use transaction SE11 to search for the structure and confirm its existence. If it is not found, you may need to create it.
  
  Related Information:
  
  
  Transaction Codes:
  
  SE11: Data Dictionary - to create or check structures.
  SE80: Object Navigator - to navigate through various objects including structures.
  SE37: Function Module - if the error occurs in the context of a function module.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on data dictionary objects and structure definitions.
  
  
  Debugging: If you are unsure where the error is originating from, consider using the ABAP debugger to trace the execution and identify where the nonexistent structure is being referenced.
  
  
  By following these steps, you should be able to resolve the error message 1X051 and ensure that your ABAP code or configuration is referencing valid structure types.