How To Fix PO802 - The requested data type is unknown

PO802 - Overview

• 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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PO802 - Details

• 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