How To Fix IUUC_IMIG801 - Call of function module &1 failed, return code &2

IUUC_IMIG801 - Overview

• Message type: E = Error

• Message class: IUUC_IMIG - IUUC@IMIG Incremental migration (MDS)

• Message number: 801

• Message text: Call of function module &1 failed, return code &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_IMIG801 - Call of function module &1 failed, return code &2 ?

  The SAP error message IUUC_IMIG801 indicates that there was a failure when calling a function module during the execution of the SAP Landscape Transformation (SLT) replication process. The error message typically includes the name of the function module that failed and the return code associated with that failure.
  
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Function Module Issues: The function module specified in the error message may have issues such as incorrect parameters, missing data, or logic errors.
  Authorization Problems: The user executing the function may not have the necessary authorizations to call the function module.
  Data Consistency Issues: There may be inconsistencies in the data being processed, leading to failures in the function module.
  System Configuration: Incorrect configuration settings in the SLT system or the source/target systems can lead to this error.
  Network Issues: If the function module involves communication between systems, network issues could cause the call to