How To Fix WRF_WSUBST002 - Enter date in function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_WSUBST - Article Substitution: Messages Central Determination Logic

• Message number: 002

• Message text: Enter date in function module &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_WSUBST002 - Enter date in function module &1 ?

  The SAP error message WRF_WSUBST002 typically indicates that there is an issue with the date input in a function module related to the SAP Retail (WRF) module. This error message suggests that a date field is either missing, incorrectly formatted, or not provided when it is required.
  Cause:
  
  Missing Date Input: The function module expects a date parameter that has not been provided.
  Incorrect Date Format: The date provided may not be in the expected format (e.g., YYYYMMDD).
  Invalid Date: The date provided may not be valid (e.g., February 30th).
  Configuration Issues: There may be issues with the configuration of the function module or the related processes.
  
  Solution:
  
  Check Input Parameters: Ensure that all required date parameters are being passed to the function module. Verify that the date is not null or empty.
  Validate Date Format: Make sure that the date is in the correct format. For SAP, the standard format is usually YYYYMMDD.
  Correct Invalid Dates: If the date is invalid, correct it to a valid date.
  Debugging: If you have access to the ABAP code, you can debug the function module to see what values are being passed and where the error is occurring.
  Consult Documentation: Review the documentation for the specific function module to understand the expected input parameters and their formats.
  Check Configuration: If the issue persists, check the configuration settings related to the function module in the SAP system.
  
  Related Information:
  
  Function Module Documentation: Look up the specific function module in the SAP documentation to understand its parameters and requirements.
  SAP Notes: Search for any relevant SAP Notes that might address this specific error message or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem continues after following these steps, it may be beneficial to involve your SAP Basis or ABAP development team for further investigation.