How To Fix >6557 - The value of parameter &1 in function module &2 is incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: >6 - Purchasing Document

• Message number: 557

• Message text: The value of parameter &1 in function module &2 is incorrect

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message >6557 - The value of parameter &1 in function module &2 is incorrect ?

  The SAP error message 6557 indicates that there is an issue with the value of a parameter in a function module. The message format typically looks like this: "The value of parameter &1 in function module &2 is incorrect," where &1 represents the parameter name and &2 represents the function module name.
  Cause:
  
  Incorrect Data Type: The value being passed to the parameter does not match the expected data type (e.g., passing a string when a number is expected).
  Value Out of Range: The value provided for the parameter is outside the acceptable range defined for that parameter.
  Missing Required Parameter: A required parameter is not being passed to the function module.
  Incorrect Length: The length of the value being passed exceeds the maximum length defined for that parameter.
  Business Logic Issues: The value may not conform to the business rules or logic defined in the application.
  
  Solution:
  
  Check Parameter Documentation: Review the documentation for the function module to understand the expected values and data types for each parameter.
  Validate Input Values: Ensure that the values being passed to the function module are valid, correctly typed, and within the acceptable range.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the function module to inspect the values being passed and identify where the issue arises.
  Review Calling Code: Check the code that calls the function module to ensure that it is correctly populating the parameters.
  Consult SAP Notes: Look for any relevant SAP Notes that might address known issues with the specific function module or parameter in question.
  
  Related Information:
  
  Function Module Documentation: You can access the function module documentation in the SAP system by using transaction code SE37 or SE80.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  Transaction Codes: Use transaction codes like SE37 (Function Module) or SE80 (Object Navigator) to explore and analyze the function module in question.
  
  If you continue to experience issues after checking these areas, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.