Re: game loading preventing from saving
Have you tried moving moving the mods folder to the desktop and deleting your game cache to help with troubleshooting. If it loads okay, it may be that some of the mods/cc have become outdated.
Disabling or turning off both mod/cc options isn't enough of a test.
Delete Cache Files
https://sims4.crinrict.com/en/2014/09/delete-cache-files/
This is a list of some of the broken/updated mods/cc
http://forums.thesims.com/en_US/discussion/941998/broken-updated-mods-seasons-june-2018-patch#latest
Finding Problem Mods and CC
http://simswiki.info/wiki.php?title=Game_Help:TS4_Finding_Problem_Custom_Content
Disabling or turning off both mod/cc options isn't enough of a test.
Delete Cache Files
https://sims4.crinrict.com/en/2014/09/delete-cache-files/
This is a list of some of the broken/updated mods/cc
http://forums.thesims.com/en_US/discussion/941998/broken-updated-mods-seasons-june-2018-patch#latest
Finding Problem Mods and CC
http://simswiki.info/wiki.php?title=Game_Help:TS4_Finding_Problem_Custom_Content