How To Fix SPPF202 - Missing or incorrect parameter when calling the "preview" method

SAP Error Message - Details

• Message type: E = Error

• Message class: SPPF - PPF: Messages from the Central Classes

• Message number: 202

• Message text: Missing or incorrect parameter when calling the "preview" method

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 SPPF202 - Missing or incorrect parameter when calling the "preview" method ?

  The SAP error message SPPF202 indicates that there is a missing or incorrect parameter when calling the "preview" method in the context of SAP's Smart Forms or other related applications. This error typically arises when the system expects certain parameters to be passed to the method, but they are either not provided or are incorrectly formatted.
  Causes:
  
  Missing Parameters: The method call may not include all the required parameters. This can happen if the calling program does not pass the necessary data.
  Incorrect Parameter Types: The parameters passed may not match the expected data types or formats. For example, passing a string where a numeric value is expected.
  Configuration Issues: There may be issues with the configuration of the Smart Form or the function module that is being called.
  Version Mismatch: If there are multiple versions of the Smart Form or related function modules, calling an outdated version may lead to this error.
  
  Solutions:
  
  Check Parameter List: Review the documentation for the "preview" method to ensure that all required parameters are being passed correctly. Make sure to include all mandatory parameters.
  Validate Data Types: Ensure that the data types of the parameters being passed match the expected types. Use appropriate conversion functions if necessary.
  Debugging: Use the debugger to step through the code where the "preview" method is called. This can help identify which parameter is missing or incorrect.
  Review Smart Form Configuration: Check the configuration of the Smart Form to ensure that it is set up correctly and that all necessary elements are defined.
  Update or Recreate Smart Form: If the Smart Form is outdated or corrupted, consider updating it or recreating it to ensure that it is functioning correctly.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  
  Related Information:
  
  SAP Smart Forms Documentation: Review the official SAP documentation for Smart Forms to understand the parameters and methods available.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SMARTFORMS (to maintain Smart Forms) and SE37 (to view function modules) for troubleshooting.
  
  By following these steps, you should be able to identify and resolve the issue causing the SPPF202 error message.