Form submission

Your software
My Mautic version is:5.2.1
My PHP version is:8.3
My Database type and version is: Mysql database

Your problem

dears,

i have access to my file manager of files in my hosting plan i was using mautic 5.2.1 it was work good .
when i want to use the last mautic v6 the form submission freez
now when i delete everything to come back to my working version the issue remain
i read ralated topic here on forum but nothing work

When you submit the form, check out in developer tools, (inspect) your console and see what errors might be showing there.

Check your base url is correct with https.