How To Fix N2M154 - Unknown value &4 returned by method &1

SAP Error Message - Details

• Message type: E = Error

• Message class: N2M - Global Trade: Item Category Management

• Message number: 154

• Message text: Unknown value &4 returned by method &1

What causes this issue?

Method &V1& of BAdI &V2& returned unknown value &V4& in result
parameter &V3&.

System Response

The system is unable to react appropriately to the unknown value. It
therefore stops processing.

How to fix this error?

INCLUDE ISR_VERWALTUNG

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message N2M154 - Unknown value &4 returned by method &1 ?

  The SAP error message N2M154, which states "Unknown value &4 returned by method &1," typically indicates that a method in the SAP system is returning a value that is not recognized or expected. This can occur in various contexts, such as when working with business objects, BAPIs, or other methods in the SAP environment.
  Cause:
  
  Invalid Input Parameters: The method may be receiving input parameters that are not valid or are outside the expected range.
  Data Inconsistency: There may be inconsistencies in the data being processed, leading to unexpected return values.
  Configuration Issues: The method may rely on certain configurations that are not set up correctly in the system.
  Custom Code: If the method is part of a custom development, there may be bugs or logical errors in the code.
  Version Mismatch: If there are multiple versions of the software or components, there may be compatibility issues.
  
  Solution:
  
  Check Input Parameters: Review the input parameters being passed to the method to ensure they are valid and conform to the expected format.
  Debugging: Use the SAP debugger to step through the method and identify where the unexpected value is being generated.
  Review Configuration: Check the relevant configuration settings in the SAP system to ensure they are correct and complete.
  Consult Documentation: Refer to the SAP documentation for the specific method to understand the expected return values and any constraints.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as the issue may have been resolved in a newer version.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it is a critical issue affecting business processes.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional context.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  Transaction Codes: Familiarize yourself with transaction codes related to the method or business object in question, as they may provide additional insights or tools for troubleshooting.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the N2M154 error message in SAP.