I think the version needs modifications in the code

I have encountered these problems

The version works for me in

register
sign in
send a friend request

The rest of the things don't work

chat Real Time One-To-One Chatting. not working
Adding a picture to the profile There is a problem, the pictures cannot be removed when zoomed in

back screen problem, there is no back button

password recovery problem

do not show
Notice of adding a friend request
conversation notification

https://i.top4top.io/m_2130c6aq11.mp4

the support

uncooperative in continuing the operation of the work
the attached instructions are simple and impractical

these problems may be due to the purchase of a copy Regular license
this may be the reason