Download:
https://www.gta5-mods.com/tools/heap-limit-adjuster-600-mb-of-heap
or
https://www.gta5-mods.com/tools/heapadjuster
and
https://www.gta5-mods.com/tools/packfile-limit-adjuster
and
https://www.gta5-mods.com/tools/ymap-load-list-extent-limit-fix-fwboxstreamervariable-patch