How To Fix /PM0/AB_AT120 - Structure &1 was not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/AB_AT -

• Message number: 120

• Message text: Structure &1 was not found

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 /PM0/AB_AT120 - Structure &1 was not found ?

  The SAP error message /PM0/AB_AT120 Structure &1 was not found typically indicates that the system is unable to locate a specific structure that is required for processing. This error can occur in various contexts, such as during the execution of a program, report, or transaction that relies on a particular data structure.
  Causes:
  
  Missing Structure Definition: The structure referenced by &1 may not be defined in the system. This could happen if the structure was deleted or not properly transported from a development environment to a production environment.
  Incorrect Configuration: The configuration settings may not be correctly set up, leading to the system looking for a structure that does not exist.
  Transport Issues: If the structure was recently created or modified, it may not have been transported correctly to the target system.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the structure, leading to the perception that it does not exist.
  
  Solutions:
  
  Check Structure Definition: Verify if the structure exists in the system. You can do this by using transaction SE11 (Data Dictionary) and searching for the structure name.
  Transport Check: If the structure is missing, check the transport logs to ensure that it was transported correctly. If it was not, you may need to re-transport it from the development system.
  Recreate Structure: If the structure was deleted or is missing, you may need to recreate it based on the specifications or documentation available.
  Authorization Check: Ensure that the user has the necessary authorizations to access the structure. You can check this in transaction SU53 or by consulting with your security team.
  Debugging: If the error occurs during a specific transaction or program, consider debugging the program to identify where the structure is being called and why it is not found.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE80: Object Navigator
  SE37: Function Module
  SE38: ABAP Editor
  
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for the error message number or keywords in the SAP Support Portal.
  Documentation: Review any relevant documentation or specifications that describe the structure and its intended use within the system.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.