How To Fix O3389 - QCI: External API function not installed

SAP Error Message - Details

• Message type: E = Error

• Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

• Message number: 389

• Message text: QCI: External API function not installed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message O3389 - QCI: External API function not installed ?

  The SAP error message O3389, which states "QCI: External API function not installed," typically indicates that there is an issue with the configuration or installation of the external API that your SAP system is trying to access. This error can occur in various contexts, such as when integrating with third-party applications or services.
  Causes:
  
  Missing or Incomplete Installation: The external API or the related components may not be installed correctly in your SAP system.
  Configuration Issues: The configuration settings for the external API may not be set up properly, leading to the system being unable to recognize or access the API functions.
  Authorization Issues: The user or service account trying to access the API may not have the necessary permissions.
  Version Mismatch: There may be a version mismatch between the SAP system and the external API, leading to compatibility issues.
  Network Issues: If the external API is hosted on a different server, network connectivity issues could prevent access.
  
  Solutions:
  
  Check Installation: Verify that the external API and all its components are installed correctly. If not, reinstall or complete the installation.
  Review Configuration: Go through the configuration settings for the external API in your SAP system. Ensure that all necessary parameters are set correctly.
  Check Authorizations: Ensure that the user or service account has the necessary authorizations to access the external API functions.
  Update Versions: If there is a version mismatch, consider updating either the SAP system or the external API to compatible versions.
  Test Connectivity: If the API is hosted externally, check network connectivity and firewall settings to ensure that the SAP system can reach the API endpoint.
  Consult Documentation: Refer to the official documentation for the external API for any specific installation or configuration steps that may have been missed.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the external API you are using.
  Logs and Traces: Review system logs and traces for more detailed error messages that can provide additional context for troubleshooting.
  Support: If the issue persists, consider reaching out to SAP support or the vendor of the external API for assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the O3389 error in your SAP system.