Message type: E = Error
Message class: TN - Support Package Manager (SPAM) Messages
Message number: 004
Message text: Invalid WHEN parameter in function module
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TN004
- Invalid WHEN parameter in function module ?The SAP error message TN004, which states "Invalid WHEN parameter in function module," typically occurs in the context of using the WHEN statement in a function module or a report. This error indicates that the WHEN parameter provided does not match any of the expected values or conditions defined in the function module. Causes: Incorrect Parameter Value: The value passed to the WHEN parameter does not match any of the predefined cases in the function module. Data Type Mismatch: The data type of the parameter being passed may not be compatible with what the function module expects. Missing or Incorrect Logic: The logic defined in the function module may not account for the value being passed, leading to an invalid condition.
Configuration Issues: If the function module relies on configuration settings, any discrepancies in those settings could lead to this error. Solutions: Check Parameter Values: Review the values being passed to the WHEN parameter. Ensure they are
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