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Issue Description
Game hangs up on JEI, then crashes after awhile.

Modpack version (Do not use "latest")
1.49

Logs
https://hastebin.com/jezomudidi.sql
If applicable, please upload your crash report, or latest.log to hastebin.

Screenshots

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Additional context

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Your hastebin link is empty, please re-upload :)

Caused by: java.lang.OutOfMemoryError:

You are only allocating 2.7gb of ram for minecraft; which is not enough for the size of this modpack.
I recommend atleast 4gb and advise 8gb.