How To Fix MIXED_LIST031 - No structure found for type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MIXED_LIST - UI messages for Mixed List component

• Message number: 031

• Message text: No structure found for type &1

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 MIXED_LIST031 - No structure found for type &1 ?

  The SAP error message MIXED_LIST031 with the description "No structure found for type &1" typically occurs when the system is unable to find a data structure that corresponds to the specified type in the context of mixed lists or reporting.
  Cause:
  
  Missing Data Structure: The most common cause is that the data structure defined for the specified type (indicated by &1) does not exist in the system. This could be due to a configuration issue or a missing transport.
  Incorrect Type Specification: The type specified might be incorrect or misspelled, leading the system to search for a non-existent structure.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the data structure, which can lead to this error.
  Custom Development: If the type is part of a custom development, it may not have been properly implemented or activated.
  
  Solution:
  
  Check Data Structure: Verify that the data structure for the specified type exists in the system. You can do this by checking the relevant configuration or development objects in the SAP system.
  Correct Type Specification: Ensure that the type specified in the error message is correct. Check for any typos or discrepancies in the naming.
  Authorization Check: Ensure that the user has the necessary authorizations to access the data structure. You may need to consult with your SAP security team.
  Transport Requests: If the structure is part of a transport request, ensure that the transport has been successfully imported into the system.
  Debugging: If you have access to debugging tools, you can trace the program or report that is generating the error to identify where the issue is occurring.
  Consult Documentation: Check SAP documentation or notes related to the specific module or functionality you are working with for any known issues or additional guidance.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional context.
  Community Forums: Consider checking SAP Community forums or other user groups where similar issues may have been discussed.
  Transaction Codes: Familiarize yourself with transaction codes related to the area where the error occurs, as they may provide additional insights or tools for troubleshooting.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.