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  • Adobe After Effects

    aerender multiple instance error in command line

    Posted by Geoff Bailey on October 30, 2020 at 4:29 pm

    Try to launch a render via command prompt on windows using AE 2020 and the standard command:

    “C:\Program Files\Adobe\Adobe After Effects 2020\Support Files\aerender.exe” -project myproj.aep
    PAUSE

    And now I get this error. Any ideas?

    : Unable to receive at line 430
    aerender ERROR: After Effects can not render for aerender. Another instance of aerender, or another script, may be running; or, AE may be waiting for response from a modal dialog, or for a render to complete. Try running aerender without the -reuse flag to invoke a separate instance of After Effects

    Geoff Bailey replied 5 years, 10 months ago 1 Member · 1 Reply
  • 1 Reply

  • Geoff Bailey

    October 30, 2020 at 7:23 pm

    Uggh. It’s a bug 17.5. Apparently it’s fixed in the 17.5.1 beta, so we just have to wait a bit.

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