Maybe because I have a lot of custom quests installed, I get an error when I try to install a new custom quest. Since then the game has become unstable. When I try to start the game with the first CaC, the game crashes immediately. How can I install a new custom quest? please tell me.
Is the upper limit of the quest 192? Is it possible to install more?
"The limit exists because the game only has that space allocated for the savedata info related to parallel quests (for expert quests, that would be only 96). I don't know yet what would happen if I remove that limit, in the best case, it wouldn't save quest completion and would always appear as incomplete. In the worst case, it would corrupt the save file. In intermediates cases, there would be crashes. So, for prevention, I put the limit in the installer.
There is currently no way to remove the limit, so I guess your only option is to replace some existing one."
You cannot remove the limit. The reasons are, again due to potential instability of saves and the game in general in regards to having more quests than allowed. You will have to remove other quests you do not play anymore.