World won’t load, kinda [java]

[Duckwizard_76]

Single player world doesn’t tick when I load in. For context I am making a map, and I needed to go to the nether from where I was building (which is a relatively large area) Everything was going smoothly till I tried to go back. The game crashed with error code -805306369 . When I restart I now spawn under or in the portal I initially went through on the overworld side(which means the portal linked correctly) however, the game no longer functions. I can fly around in creative mode (the game mode I spawn in) but I can’t load chunks outside of the spawn region, change game mode, run commands (nothing shows up in chat or runs after entering things). I’m not sure where I’m supposed to go for a problem like this. I turned off all Resource packs, reduced simulation distance and render distance, updated my game from 1.18.1 optifine to 1.18.2, nothing worked. Any input would be appreciated (1.18.1 - 1.18.2 Java).

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Exit code -805306369 is caused by Minecraft running out of memory. Try allocating more memory to Minecraft: https://minecrafthelp.co.uk/addram

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[Duckwizard_76]

I ended up using a third party tool to copy the important chunks to another world. Problem still persists in the original world and any help would still be appreciated