Usually when a structure with a structure with a jigsaw that has an error is loaded, the game crashes but when the structure is loaded on world generation (after deleting region files), the game softlocks on the generation screen instead of crashing with last log message being an XML_ERROR_PARSING.
The error i had was a a typo in a blockstate in the "turns into" field
how to reproduce:
-make a new world
-find a village
-log off at the village and delete the region files
-modify the structures from the village you are in to have a jigsaw with an error in the turns_into field (minecraft:grass_block[facing=south] => grass block has to facing property)
-make a datapack out of the structures and place it in the world with a village
-go in the the world with the village (it will regenerate as the region files were destoyed)
-the game should softlock on world generation (at 58% for me)
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I can confirm for 1.19.2. I created a custom structure and had a typo in the “turns into” field which softlocked the game upon the generation of the structure. I had to close the program through task manager and then restart my computer because I couldn’t even get the launcher to reopen. If you try to /place the structure you get an error that basically just says there was an error trying to execute the command, but if you put your cursor over the message in chat it says something about an unknown block.
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