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

SAP Error Message - Details

• 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 type are correct.
  Check the port settings (WE21) to ensure that the correct ports are being used for communication.
  
  
  
  Validate IDoc Data:
  
  Use transaction WE02 or WE05 to check the status of the IDoc and look for any errors in the data.
  Ensure that all mandatory fields are filled and that the data conforms to the expected format.
  
  
  
  Monitor System Performance:
  
  Check system performance metrics to identify any bottlenecks or high load situations.
  Consider increasing system resources or optimizing performance if necessary.
  
  
  
  Review Authorizations:
  
  Ensure that the user or system has the necessary authorizations to send IDocs. This can be checked in transaction SU53 or by reviewing user roles.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues affecting the connection between the systems involved in the IDoc transmission.
  
  
  
  Review Logs:
  
  Check the application logs (transaction SLG1) for any additional error messages or information that can provide more context about the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  WE02/WE05: To monitor and analyze IDocs.
  WE20: To maintain partner profiles.
  WE21: To maintain port definitions.
  SLG1: To view application logs for detailed error messages.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to IDoc processing and the GU170 error.
  
  
  Documentation: Review SAP documentation on IDoc processing for best practices and troubleshooting steps.
  
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance, providing them with detailed information about the error and the steps taken to resolve it.