git push failed The remote end hung up unexpectedly

error: RPC failed; result=56, HTTP code = 0
fatal: The remote end hung up unexpectedly
fatal: The remote end hung up unexpectedly
Everything up-to-date

Just started getting this error today morning when
trying to do a git push and it won’t work. Other repos are good to go but not this one.
Git pull works. I am on Ubuntu if that helps.

Also tried this and it doesn’t work either

git config --global http.postBuffer 524288000

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