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  • game is suffering slowdown suddenly

    • Version: A21.1 b16

    Summary: (A short description of the bug)

    Game Version: (A21.1 b16)

    OS/Version: (Windows )

    CPU Model: (i5-3470@3.20GHz)

    System Memory: (16 GB)

    GPU Model and VRAM: (geforce GTX1060 6GB)

    Screen Resolution: (Width and Height such as 1920x1080)

    Video Settings: (Low )

    Game mode: (SP)


    Did you wipe old saves? (No)


    Did you start a new game? (Yes)


    Did you validate your files? (Yes)


    Are you using any mods? (No)


    EAC on 


    Status: NEW


    Bug Description:



    problems arise without warning

    The behavior of floating in the air or diving under the ground suddenly occurs, and the FPS of the game eventually decreases and becomes difficult to play.

    (sorry I use poor English)


    Detailed steps to reproduce the bug:

    1)cause unknown




    Actual result: (description of what is occurring)


    Expected result: (what you expect to occur)

    Link to Pastebin Output Log:




    User Feedback

    Recommended Comments

    Thank you for reporting.

    I see this in your log.  Your drone's position is very strange.  It says (NaN, NaN, NaN) where it should have the numbers for the coordinates at.  This will cause many issues like the ones you described.


    1. 2023-09-02T15:42:45 1568.494 INF 96059 Drone PostInit [type=EntityDrone, name=entityJunkDrone, id=21215], (NaN, NaN, NaN) (chunk -134217728, -134217728), rbPos (NaN, NaN, NaN)


    You would need to delete the drone from your save game.  The sure way to do this is to delete the "drones.dat" and the "drones.dat.bak" files in your save game folder.  Deleting these files will delete the drone you had,  so your drone and everything you had in its inventory will be lost.


    You can find your savegame folder by,

    - Select the "Tools" tab in your launcher.

    - Select the "Open savegame folder".

    - Open the "Saves" folder.

    - Open the folder with the name of the map that you are having the issue with.

    - Open the folder with the name of the save game that your are having the issue with.

    - Delete both the "drones.dat" and the "drones.dat.bak" files.


    After deleting the drone files,  do the following in game.  This will allow you to place new drones.

    - Open console by pressing F1

    - Type in "dm" in the console and press enter.

    - Type in "jd clear" in the console and press enter.

    - Try deploying the drone again.

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