How To Fix FPRUNX201 - Error when determining data type of &1(&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: FPRUNX - Messages Form Processing Runtime

• Message number: 201

• Message text: Error when determining data type of &1(&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.

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 FPRUNX201 - Error when determining data type of &1(&2) ?

  The SAP error message FPRUNX201 typically occurs during the execution of a program or transaction that involves data processing, particularly when the system is unable to determine the data type of a specified field or variable. This can happen for various reasons, including issues with data definitions, inconsistencies in the data model, or problems with the underlying database.
  Cause:
  
  Data Type Mismatch: The field or variable referenced in the error message may not have a defined data type, or there may be a mismatch between expected and actual data types.
  Field Not Found: The system may be trying to access a field that does not exist in the specified context or structure.
  Corrupted Data Dictionary: There may be inconsistencies or corruption in the data dictionary or the underlying database tables.
  Custom Code Issues: If there are custom developments or modifications, they may not be handling data types correctly.
  
  Solution:
  
  Check Data Definitions: Verify that the field or variable in question is correctly defined in the data dictionary (SE11). Ensure that the data type is specified and matches the expected type.
  Review Custom Code: If the error occurs in a custom program, review the code to ensure that all variables and fields are correctly declared and that there are no type mismatches.
  Debugging: Use the debugger to trace the execution of the program and identify where the error occurs. This can help pinpoint the specific field or variable causing the issue.
  Data Consistency Check: Run consistency checks on the database tables involved to ensure there are no inconsistencies or corruption.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  Consult Documentation: Review the documentation for the specific transaction or program to ensure that all prerequisites and configurations are met.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the definitions and implementations related to the error.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists and is critical, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the root cause of the FPRUNX201 error and implement a suitable solution.