How To Fix NI143 - Unexpected error in the function module &1 (error code &2)

NI143 - Overview

• Message type: E = Error

• Message class: NI - Document index processing

• Message number: 143

• Message text: Unexpected error in the function module &1 (error code &2)

What causes this issue?

An unexpected error occurred in function module &V1& (error code &V2&).

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?

Inform your system administrator.

Procedure for System Administrators

Inform SAP.

Error message extract from SAP system. Copyright SAP SE.

NI143 - Details

• The SAP error message NI143, which states "Unexpected error in the function module &1 (error code &2)," typically indicates that there is an unexpected issue occurring within a specific function module in the SAP system. This error can arise from various underlying causes, and resolving it often requires a systematic approach.
  Possible Causes:
  
  Data Issues: There may be inconsistencies or corruption in the data being processed by the function module.
  Configuration Problems: Incorrect configuration settings in the system can lead to unexpected behavior in function modules.
  System Bugs: There may be bugs in the SAP system or the specific function module that need to be addressed.
  Authorization Issues: Lack of proper authorizations for the user executing the function can lead to errors.
  Performance Issues: System performance problems, such as timeouts or resource limitations, can trigger unexpected errors.
  Custom Code: If there are custom enhancements or modifications to the standard function module, they may introduce errors.
  
  Solutions:
  
  Check the Error