[Asked][1.12.23a] Plugin crash (key_mapping.json:121)

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Elyas abbas altyar
Settler
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Joined: 18 Sep 2025, 00:37

[Asked][1.12.23a] Plugin crash (key_mapping.json:121)

#1

Post by Elyas abbas altyar »

Hi, I got the following error with a plugin (key_mapping.json:121):

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In plugins/sample/files/key_mapping.json:

java.lang.IllegalArgumentException: May not find a loader for type not defined
Device: SM-S908U (samsung)
OS version: 34

Thank you in advance.

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reindeerwheat
Metropolitan
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Joined: 21 Jun 2025, 14:57

Re: [Asked][1.12.23a] Plugin crash (key_mapping.json:121)

#2

Post by reindeerwheat »

The key_mapping.json file is used by the game for keybind definitions and should be stored in the game's root directory and not subdirectories like 'plugins'. It is rather read as a plugin because you placed it in the 'plugins' folder or one of it's subdirectories.

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