How To Fix E9887 - Internal error: Unexpected exception &2 in calling up function module &1

E9887 - Overview

• Message type: E = Error

• Message class: E9 - General IS-U Error Messages

• Message number: 887

• Message text: Internal error: Unexpected exception &2 in calling up function module &1

What causes this issue?

Function module &V1& was terminated with an exception (&V2) which the
developer of the called program did not expect (&V3& &V4) or which is
not permitted here.
The program is in an unexpected state and will therefore be terminated.

System Response

Program termination (if necessary with short dump)

How to fix this error?

Note the message, the data environment, and the entries which lead to
the error. Create a problem message.

Error message extract from SAP system. Copyright SAP SE.

E9887 - Details

• The SAP error message E9887, which states "Internal error: Unexpected exception &2 in calling up function module &1," indicates that an unexpected exception occurred while trying to execute a function module in the SAP system. This type of error can arise from various underlying issues, including but not limited to:
  Causes:
  
  Coding Errors: There may be a bug or an unhandled exception in the function module being called.
  Data Issues: The data being processed may not meet the expected format or constraints, leading to exceptions.
  Configuration Problems: Incorrect configuration settings in the system can lead to unexpected behavior.
  System Resource Issues: Insufficient memory or other system resources can cause unexpected exceptions.
  Transport Issues: If the function module was recently transported from another system, it may not have been properly adjusted for the target environment.
  Version Incompatibility: There may be compatibility issues between different components of the SAP system.
  
  Solutions:
  
  Check the Function Module: Review the code of the function