How To Fix EZ821 - Errors in parameters &1 and &2 in function module &3

SAP Error Message - Details

• Message type: E = Error

• Message class: EZ - Print workbench

• Message number: 821

• Message text: Errors in parameters &1 and &2 in function module &3

What causes this issue?

A function module was called with the wrong parameters.

System Response

The system cannot continue processing.

How to fix this error?

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EZ821 - Errors in parameters &1 and &2 in function module &3 ?

  The SAP error message EZ821 indicates that there are errors in the parameters passed to a function module. This error typically arises when the input parameters do not meet the expected criteria or when there is a mismatch in the data types or structures.
  Cause:
  
  Incorrect Parameter Values: The values being passed to the function module may not be valid or may not conform to the expected format.
  Data Type Mismatch: The data types of the parameters may not match what the function module expects.
  Missing Required Parameters: Some required parameters may not have been provided.
  Logical Errors: There may be logical errors in the code that calls the function module, leading to incorrect parameter values being passed.
  
  Solution:
  
  Check Parameter Values: Review the values being passed to the function module. Ensure they are valid and conform to the expected format.
  Verify Data Types: Ensure that the data types of the parameters match the expected types in the function module definition.
  Review Function Module Documentation: Check the documentation for the function module to understand the expected parameters and their requirements.
  Debugging: Use the debugger to step through the code and inspect the values of the parameters being passed to the function module. This can help identify where the issue lies.
  Consult SAP Notes: Look for any relevant SAP Notes that may address known issues with the function module in question.
  
  Related Information:
  
  Function Module Documentation: You can access the documentation for the specific function module in transaction SE37 or SE80.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  ABAP Development: If you are an ABAP developer, ensure that you are familiar with the best practices for calling function modules and handling parameters.
  
  If the issue persists after checking the above points, it may be helpful to consult with a more experienced developer or SAP support for further assistance.