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right after the beginning whilst in prison there be a barrel you roll onto a rats noggin'...
after that you go thru the tunnel where the rat be, and fall into OBLIVION??!! this is after the patch, come on guys
, what are you doing???
This is not a money issue, yall be flakey mate....

This a known issue but does appear rarely.
For now, as a workaround, when it does, quit the game and restart it, the loading will be consistent this time.