NTE_NOT_FOUND

Import File Not Found

Beckhoff · TwinCAT 2 Automation Interface

What does NTE_NOT_FOUND mean?

The specified file for importing a child item cannot be found or opened (0x80090011). This indicates an issue with the path to the import file or its accessibility, preventing the ImportChild() operation from completing.

Common Causes

  • The import file specified for configuration or update was not found at the expected location.
  • A critical system file required for operation is missing.
  • The path to a firmware update file is incorrect or inaccessible.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the bstrFile parameter points to an existing and accessible file on the system.

  2. 2

    Check file permissions to ensure the TwinCAT System Manager has read access to the specified file.

  3. 3

    Confirm the file is not corrupted or locked by another application, which would prevent it from being opened.

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Verified technical data. Last updated: March 2026

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Source: Beckhoff TwinCAT 2 Automation Interface