X4: Exitcode 1009 (Lua engine initialization failure)

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You have landed on this page because the game detected a runtime crash.

The issue occurs because the Lua engine failed to be initialized.

We are currently investigating the circumstances that trigger this issue.

Customised support

To help troubleshoot the issue, please follow the steps below:

  • start the game with the additional command line parameter: /windowed /logfile log.txt
  • verify that the log.txt file was created in the X4 My documents folder (same location in which savegames are stored)
  • send a mail to prioritysupport@egosoft.com (Subject: Exitcode 1009). In the mail please attach the following information:
    • the log.txt which was created above
    • a screenshot of the popup which shows the exitcode
    • state when the issue occurs for you (in other words: whether you experience this as a startup problem where the game doesn't start at all, or whether it crashes in-game)

We will then get back to you with further steps to track down the cause of the issue.


Go to Exit Codes Table