How To Fix GU170 - Internal error occured when sending the IDOC

GU170 - Overview

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 170

• Message text: Internal error occured when sending the IDOC

What causes this issue?

An error has occurred when sending the IDOC.

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.
Technical note:
When the function module
'MASTER_IDOC_DISTRIBUTE' was called, the error code was &v1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GU170 - Internal error occured when sending the IDOC ?

  The SAP error message GU170 indicates that an internal error occurred while sending an IDoc (Intermediate Document). This error can arise from various issues related to configuration, data, or system performance. Here are some common causes, potential solutions, and related information:
  Causes:
  
  
  Configuration Issues: Incorrect settings in the IDoc processing configuration can lead to errors. This includes issues in partner profiles, port definitions, or message types.
  Data Issues: The data being sent in the IDoc may be incomplete, incorrect, or not conforming to the expected structure, leading to processing failures.
  System Performance: High system load or performance issues can cause timeouts or failures in IDoc processing.
  Authorization Issues: The user or system trying to send the IDoc may not have the necessary authorizations.
  Network Issues: Problems with the network connection between systems can also lead to failures in IDoc transmission.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify the partner profiles (WE20) and ensure that the settings for the message type and IDoc