How To Fix IUUC_MAIN176 - Error occurred when calling function module &1 at destination &2

IUUC_MAIN176 - Overview

• Message type: E = Error

• Message class: IUUC_MAIN - IUUC: Main Message class

• Message number: 176

• Message text: Error occurred when calling function module &1 at destination &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_MAIN176 - Error occurred when calling function module &1 at destination &2 ?

  The SAP error message IUUC_MAIN176 indicates that there was an issue when calling a function module at a specified destination. This error typically occurs in the context of SAP Landscape Transformation (SLT) or when using SAP Data Services, where data replication or transformation is involved.
  
  Cause:
  
  Network Issues: There may be network connectivity problems between the source and target systems.
  Configuration Errors: The destination system may not be correctly configured in the RFC (Remote Function Call) destination settings.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to execute the function module.
  Function Module Issues: The function module being called may not exist, may be inactive, or may have been changed in a way that it no longer works as expected.
  System Performance: High load or performance issues on either the source or target system can lead to timeouts or failures in executing the function module.
  
  
  Solution:
  
  
  Check RFC Destination:
  
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