Need a little bit of help with this... Mods issues.

Your server is running out of memory so try installing ferritecore mod which reduces memory usage

Quote from MiniTermi77

Edit:

Seems to work better, thx. But when i'm trying to interact with the astral sorcery mod or others as spawning aliens of the space bosstools mod, the server "time out".

It crashed idk why, this is the log, but i dont see nothing about which would be the origin of the crash:

https://mclo.gs/UvSfidp

(the other one was the old log one)

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I can't see your server crash

Quote from MiniTermi77

Uhg, its this: https://mclo.gs/UvSfidp

Still I can't see it crash

Quote from MiniTermi77

[net.minecraftforge.fml.loading.RuntimeDistCleaner/DISTXFORM]: Attempted to load class net/minecraft/client/renderer/tileentity/SignTileEntityRenderer for invalid dist DEDICATED_SERVER

Looks like again you have shared the incorrect log as I can't see your server crash. Before sharing the log again check if it's the correct one or not

Quote from MiniTermi77

That's weird because i can see it propertly.

I copied into a .text file. With notepad++ can see it good

The error your showing is not related to the server crash. Normally when a server is crashing there is something at the end of the log which is an indication of that but your log I can't see anything that shows the server is crashing