Users can't login - Always required to Purge Cache

#1
Hi, I have developed a Learning management system and hosted in hostinger which pre-built with the Litespeed cache.
I have been testing my website on other hosting - it has no issues until I migrated it to hostinger with the Litespeed cache. I tried disabling it, it work perfectly fine, however it take a super long time to load my page.

The original issue that lead me to disable the Litespeed is that, my users (non-admin) can't login to their profile. I am using Tutor LMS. And everytime after I purge the cache at the backend of wordpress, the user will be able to log-in as usual.

What's the cause of this? Anyone know how to solve this? Seems like I have to activate the Litespeed cache BUT by doing so, half the time the users will have problem signing into their profiles and require me to purge the cache.
 
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