How To Fix I10003 - Unexpected error in function call &

I10003 - Overview

• Message type: E = Error

• Message class: I10 - Work Management IDocs Messages

• Message number: 003

• Message text: Unexpected error in function call &

What causes this issue?

An unexpected error happened in the processing of a function call.

How to fix this error?

Contact your SAP system administrator.

Error message extract from SAP system. Copyright SAP SE.

I10003 - Details

• The SAP error message I10003, which states "Unexpected error in function call," typically indicates that there is an issue with a function module or method being called in the SAP system. This error can arise from various underlying causes, and troubleshooting it may require a systematic approach. Here are some potential causes, solutions, and related information:
  Possible Causes:
  
  Programming Errors: There may be a bug in the ABAP code where the function is being called. This could be due to incorrect parameters being passed or logic errors.
  Data Issues: The data being processed may not meet the expected format or constraints, leading to unexpected behavior in the function.
  System Configuration: There may be configuration issues in the SAP system that affect how the function operates.
  Authorization Issues: The user executing the function may not have the necessary authorizations, leading to unexpected errors.
  System Performance: If the system is under heavy load, it may lead to timeouts