How To Fix /SAPAPO/IB00XI003 - Unknown structure reference: Type &1, number &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/IB00XI -

• Message number: 003

• Message text: Unknown structure reference: Type &1, number &2

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 /SAPAPO/IB00XI003 - Unknown structure reference: Type &1, number &2 ?

  The SAP error message /SAPAPO/IB00XI003 Unknown structure reference: Type &1, number &2 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the data structures being referenced in the system. This error indicates that the system is trying to access a structure that is not recognized or does not exist.
  Causes:
  
  Missing or Incorrect Structure Definition: The structure referenced by the error message may not be defined in the system, or it may have been deleted or not properly activated.
  Transport Issues: If the structure was recently transported from another system, there may have been issues during the transport process that caused the structure to not be available.
  Configuration Errors: There may be configuration settings that are pointing to an incorrect or outdated structure.
  Version Mismatch: If there are different versions of the APO system or components, it may lead to references to structures that are not compatible.
  
  Solutions:
  
  Check Structure Definition: Verify that the structure referenced in the error message (Type &1, number &2) exists in the system. You can do this by using transaction codes like SE11 (Data Dictionary) to look for the structure.
  Re-activate the Structure: If the structure exists but is not active, try re-activating it. This can sometimes resolve issues related to inactive objects.
  Transport Request: If the structure was supposed to be transported, check the transport logs for any errors. You may need to re-transport the relevant objects.
  Configuration Review: Review the configuration settings in the APO system to ensure that they are pointing to the correct structures. This may involve checking settings in transaction codes like /SAPAPO/SDP94 or /SAPAPO/MC90.
  System Consistency Check: Run consistency checks in the APO system to identify any inconsistencies that may be causing the issue.
  Consult Documentation: Refer to SAP Notes or documentation related to the specific version of APO you are using, as there may be known issues or patches available.
  
  Related Information:
  
  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.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and /SAPAPO/SDP94 (for planning book settings).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.