An unexpected error has occurred | 42.15.1 | Project Zomboid | Page 1

hushed shuttle Mar 10, 2026, 6:00 PM

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from https://steamcommunity.com/app/108600/discussions/1/806845127026958426/?tscn=1773161977

📎 console.txt

An unexpected error has occurred | 42.15.0 :: Project Zomboid Support

Greetings to all. I updated the build to 42.15, disabled all mods, decided to enter one of the game modes, and as a result, the world does not load and sends an error to the game logs. I decided to check the integrity of the files, the restrictions were updated, the content from the workshop was updated, and still nothing came out. I was forced ...

sick atlas Mar 10, 2026, 6:05 PM

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This error usually just means the game isn't installed / updated correctly

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Can you install the game on your C drive instead, since I can see its installed on D at the moment

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Meaning Uninstall it, then install on C

hushed shuttle Mar 10, 2026, 6:05 PM

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ok

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Before this, it worked fine on drive D.

hushed shuttle Mar 10, 2026, 6:20 PM

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sick atlas Meaning Uninstall it, then install on C

It works, that's crazy

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So, it turns out that the game can be easily transferred to drive D without this problem, right?

sick atlas Mar 10, 2026, 6:25 PM

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hushed shuttle It works, that's crazy

Check the game install folder on your D drive

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Are there any files still there after the move to the C drive?

hushed shuttle Mar 10, 2026, 6:27 PM

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I didn't move the game to Drive C.
I deleted it, installed it on Drive C, and haven't moved it to Drive D yet.
But something did remain in the folder after deleting it.

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I'll delete this folder, move the game to drive D, which is downloaded to drive C, and I'll tell you the result.

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It works

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And I think I understood why it was giving an error.

hushed shuttle Mar 10, 2026, 6:34 PM

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hushed shuttle I didn't move the game to Drive C. I deleted it, installed it on Drive C, and ha...

After deleting the game, Steam left two folders and two files, and the zombie folder was the one that was involved in all of this.

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It's a strange assumption, but it's most likely true.
Anyway, thanks for the help.

sick atlas Mar 10, 2026, 6:41 PM

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hushed shuttle After deleting the game, Steam left two folders and two files, and the zombie fo...

Indeed, which is why I specified that its important to delete leftover files in my original post

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hushed shuttle Mar 10, 2026, 6:41 PM

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oh

sick atlas Mar 10, 2026, 6:41 PM

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I have to assume you did not delete the leftovers

hushed shuttle Mar 10, 2026, 6:41 PM

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So I misunderstood, my fault.

sick atlas Mar 10, 2026, 6:42 PM

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All good, its why I said to move to the C drive, since that would count as a full reinstall as well, good solution

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But yes you can move to D drive and it will be fine now

hushed shuttle Mar 10, 2026, 6:43 PM

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I just assumed that Steam completely deletes the game folder and leaves only an empty folder, nothing more.

sick atlas Mar 10, 2026, 6:43 PM

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No unfortunately it does not, it only deletes the files and folders that correspond to the version you have installed

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So if you place any extra files, or if files are left over from an update, they will stay there forever even after an uninstall

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Its why the manual deletion has to be done, since leftover files will cause issues for PZ as it tries to load them

#An unexpected error has occurred | 42.15.1