How To Fix WUF059 - Error while calling class &1 for field checks

SAP Error Message - Details

• Message type: E = Error

• Message class: WUF -

• Message number: 059

• Message text: Error while calling class &1 for field checks

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WUF059 - Error while calling class &1 for field checks ?

  The SAP error message WUF059, which states "Error while calling class &1 for field checks," typically occurs in the context of field validation or checks that are implemented using ABAP classes in SAP. This error indicates that there was an issue when the system attempted to invoke a specific class for validating fields during a transaction or process.
  Causes:
  
  Class Not Found: The specified class (&1) may not exist in the system or may not be activated.
  Method Issues: The method being called within the class may not be implemented correctly or may have errors.
  Authorization Issues: The user may not have the necessary authorizations to execute the method in the class.
  Parameter Mismatch: The parameters being passed to the method may not match the expected types or formats.
  System Configuration: There may be issues with the configuration of the field checks or the related business logic.
  
  Solutions:
  
  Check Class Existence: Verify that the class specified in the error message exists in the system. You can do this by using transaction SE24 (Class Builder).
  Activate Class: If the class exists but is not activated, activate it.
  Review Method Implementation: Check the method being called in the class for any errors or issues. Ensure that it is implemented correctly and handles all expected scenarios.
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the method in the class. You can check this using transaction SU53 or by reviewing the user's roles and authorizations.
  Parameter Validation: Review the parameters being passed to the method to ensure they are correct and in the expected format.
  Debugging: If the issue persists, consider debugging the process to identify where the error occurs. You can set breakpoints in the class method to trace the execution flow.
  Consult Documentation: Review any related documentation or notes in the SAP Support Portal for additional insights or known issues related to this error.
  
  Related Information:
  
  Transaction Codes: SE24 (Class Builder), SE80 (Object Navigator), SE37 (Function Module), SE11 (Data Dictionary).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.