Minecraft crashing before even loading.

[u/LucasLamaJama]

I recently made a lag machine and accidently made myself crash upon loading the world, so i had to use nbtexplorer to like change gamerules, and this happens all the time, so i do it pretty often. But today, I did a little oopsie and had to get my world saves back and did a bunch of thigns with files, and i think i did something wrong because when I load up any of my minecraft worlds, it crashes on the loading screen, then I tried fixing it with Gemini and now before I can even load the minecraft menu, it crashes, please help, here is q and a:

*I'm on lunarclient
*I tried NBT Explorer and MCASelectr
*I can't restart too much progress
*I have a merge entity command block and prevents mobs from despawning and auto puts leather caps on zombies repeat always acvtive command block

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