How To Fix MEAO007 - Error calling &1 (Check input parameter)

SAP Error Message - Details

• Message type: E = Error

• Message class: MEAO - Messages for Development Class MEAO

• Message number: 007

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

What causes this issue?

Function module &V1& was invoked without an input parameter.

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?

Check the value of the input parameter.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MEAO007 - Error calling &1 (Check input parameter) ?

  The SAP error message MEAO007 ("Error calling &1 (Check input parameter)") 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 is an issue with the input parameters being passed to a function module or method, which is causing the system to fail in executing the desired operation.
  Causes:
  
  Incorrect Input Parameters: The parameters being passed to the function module may be incorrect or incomplete. This could be due to missing mandatory fields or incorrect data types.
  Data Consistency Issues: There may be inconsistencies in the data being processed, such as invalid material numbers, vendor numbers, or document types.
  Authorization Issues: The user may not have the necessary authorizations to perform the action, leading to the error.
  Custom Code Issues: If there are custom enhancements or modifications in the system, they may not be handling the input parameters correctly.
  System Configuration: Incorrect configuration settings in the MM module could lead to this error.
  
  Solutions:
  
  Check Input Parameters: Review the input parameters being passed to the function module. Ensure that all required fields are filled out correctly and that the data types match the expected values.
  Data Validation: Validate the data being used in the transaction. Check for any inconsistencies or errors in the material master, vendor master, or purchasing documents.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the action. This can be checked in the user roles and authorizations.
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant function module to see what parameters are being passed and where the error occurs.
  Consult Documentation: Refer to SAP documentation or notes related to the specific function module or transaction to understand the expected input parameters and any known issues.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with the error message details and any relevant transaction codes.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to purchasing, such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), or ME23N (Display Purchase Order).
  Function Modules: Identify the specific function module that is causing the error. This can often be found in the error message details or by analyzing the code.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the MEAO007 error in your SAP system.