Can someone help me with resolving this error in my modpack?

I have 200+ mods but lower than 250, and I don't know what causes it to crash? can someone help me

here's my logs:

Quote from Roman

Your server is overloaded and is running out of RAM. Remove some mods.

Next time please use the share button on the log page to share your log.

but how come other modpack that is larger than mine doesn't have any problem, like Medieval MC?