How To Fix MEAO004 - Error calling &1 (Check input parameters)

MEAO004 - Overview

• Message type: E = Error

• Message class: MEAO - Messages for Development Class MEAO

• Message number: 004

• Message text: Error calling &1 (Check input parameters)

What causes this issue?

Function module &V1& was invoked without stipulation of the purchasing
organization or vendor.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Secify either a purchasing organization or a vendor when invoking this
function module.

Error message extract from SAP system. Copyright SAP SE.

MEAO004 - Details

• The SAP error message MEAO004 ("Error calling &1 (Check input parameters)") typically occurs in the context of the Materials Management (MM) module, particularly when dealing with purchasing documents or related processes. This error indicates that there was an issue when trying to call a function module or method, and it suggests that the input parameters provided to that function/module were not valid or were missing.
  Causes:
  
  Invalid Input Parameters: The parameters being passed to the function/module may not meet the expected format or requirements.
  Missing Data: Required fields or data may be missing from the input, leading to the function call failing.
  
  Configuration Issues: There may be issues with the configuration of the related modules or settings in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to execute the function/module.
  Custom Code: If there are custom enhancements or modifications in the system, they may be causing the error.
  
  Solutions:
  
  Check Input Parameters: Review