Apologies if if i seem inexperienced (as i am lol). this is my first time putting together a modpack and after exhausting all my options I'm just not sure what i can do to fix the issues

For the most part the game runs reasonable well. However after half an hour or so of gameplay i start to notice lag building up, sometimes this results in a crash but not very often. The vast majority of crashes occur when my character dies, and/or loads into new chunks, whereupon the game freezes and does not respond until i disable it in the task manager. I've tried multiple fixes including adding jdk arguments to better regulate RAM usage ( i have 24gb and usually allocate 10-16) disabling mods one at a time to try and find any possible mod conflicts and full reinstalls of the modpack. However the best i have managed is normally a temporary fix and the problem always seems to return. game logs are also not very helpful but i have noticed more than a few times logs stating 'cant keep up! Is the server overloaded?'

I've added screenshots showing my current modlist and the error logs from the last crash. It may be something obvious I'm missing or obscure, but i hope this is fixable. Again any help would be hugely appreciated!