How To Fix GU771 - The calling application cannot be identified

GU771 - Overview

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 771

• Message text: The calling application cannot be identified

What causes this issue?

The program cannot determine the calling application.

System Response

The system cancels processing.

How to fix this error?

Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

GU771 - Details

• The SAP error message GU771, which states "The calling application cannot be identified," typically occurs when there is an issue with the integration between SAP and an external application or system. This error can arise in various scenarios, such as when using SAP GUI, SAP Business Client, or when integrating with third-party applications.
  Causes:
  
  Missing or Incorrect Configuration: The integration settings between SAP and the calling application may not be configured correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the calling application.
  Network Issues: There may be network connectivity problems that prevent the SAP system from communicating with the external application.
  Version Mismatch: There could be a compatibility issue between the versions of SAP and the calling application.
  Incorrect Parameters: The parameters passed from the calling application to SAP may be incorrect or incomplete.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the integration between SAP and the calling application. Ensure that all