How To Fix PO802 - The requested data type is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 802

• Message text: The requested data type is unknown

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 PO802 - The requested data type is unknown ?

  The SAP error message PO802, which states "The requested data type is unknown," typically occurs in the context of SAP Business Workflow or when dealing with data types in various SAP modules. This error indicates that the system is unable to recognize or find the specified data type that is being referenced in a program, function module, or workflow.
  Causes:
  
  Incorrect Data Type Reference: The data type being referenced in the program or workflow does not exist or is misspelled.
  Missing Data Dictionary Objects: The data type may not have been defined in the Data Dictionary (SE11) or may have been deleted.
  Transport Issues: If the data type was recently transported from another system, there may have been issues during the transport process.
  Version Compatibility: The data type may be incompatible with the current version of the SAP system or module being used.
  Namespace Issues: If the data type is defined in a specific namespace, it may not be accessible due to authorization or configuration issues.
  
  Solutions:
  
  
  Check Data Type Definition:
  
  Go to transaction SE11 (Data Dictionary) and check if the data type exists. If it does not, you may need to create it or correct the reference in your program or workflow.
  
  
  
  Correct References:
  
  Review the code or workflow where the error occurs and ensure that the data type is correctly referenced. Look for typos or incorrect naming conventions.
  
  
  
  Transport Check:
  
  If the data type was recently transported, check the transport logs for any errors. You may need to re-transport the object or manually create it in the target system.
  
  
  
  Namespace Verification:
  
  Ensure that the data type is in the correct namespace and that you have the necessary authorizations to access it.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can set breakpoints in the program or workflow to identify where the error is occurring and gather more context about the data type being requested.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific module or functionality you are working with to see if there are known issues or updates regarding data types.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance, especially if it appears to be a bug or a deeper system issue.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), SE37 (Function Module), SWDD (Workflow Builder).
  SAP Notes: Check the SAP Support Portal for any relevant notes that might address this specific error.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the PO802 error in your SAP environment.