[2.0.66] Crash changing text input value "bad_array_new_length"

Bugs that we were not able to reproduce, and/or are waiting for more detailed info.
umibozu
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Joined: Fri Sep 12, 2025 11:15 am
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[2.0.66] Crash changing text input value "bad_array_new_length"

Post by umibozu »

What happened?
A crashed occurred when I was editing a constant combinator's text input.
I've attached the log and crash dump.

What did you do?
From the callstack, it seems like a pure UI issue and unrelated to the setup but nevertheless, here's what I was doing (recreated in the map editor)
factorio_weCVcEpAmB.png
factorio_weCVcEpAmB.png (860.26 KiB) Viewed 141 times
I was experimenting with circuit networks and was testing if it was somehow possible to modify a logistic group using signals (which I realize now is not possible).

I had a combinator with a single group that was used on a space platform:
09-12-2025, 20-38-05.png
09-12-2025, 20-38-05.png (55.64 KiB) Viewed 141 times
- I added the item with the default value (1)
- clicked on it again to change the value
- selected the value using the mouse
- the crash occured as I was typing the new value.
factorio_xMz36niVeU.png
factorio_xMz36niVeU.png (31.78 KiB) Viewed 141 times
Does it happen always, once, or sometimes?
The crash only happened once. After the crash, I re-joined the game and tried the same thing again but it did not crash.
I reproduced the setup in the editor and tried multiple times but could not reproduce the crash.

Extra infos
  • it was during a multiplayer game with another player (and I was not the host)
  • we have a pretty big latency
  • mods being used:
    mods
Attachments
factorio-dump-previous.dmp
(1.15 MiB) Downloaded 11 times
factorio-crash.log
(1.03 MiB) Downloaded 15 times
Rseding91
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Joined: Wed Jun 11, 2014 5:23 am
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Re: [2.0.66] Crash changing text input value "bad_array_new_length"

Post by Rseding91 »

Thanks for the report. It looks like this might be an engine issue - however without a way to reproduce it I can't be sure. If you ever do figure out how it happened and can make it happen again please let us know.
If you want to get ahold of me I'm almost always on Discord.
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