Urgent php mini issues

1. help fix live radio option, it is not streaming. connect radio to stream servers
2. I can't upload audio, video files from users and admin user panels.

https://prnt.sc/MqXCf3KUN-N6

https://ttprivatenew.s3.amazonaws.com/pulse/globalimmigrationafrica/attachments/16153291/TinyTake01-03-2021-05-25-02.mp4

https://ttprivatenew.s3.amazonaws.com/pulse/globalimmigrationafrica/attachments/16153344/TinyTake01-03-2021-05-29-46.mp4
and there is no playback media player for the videos.

3. pls fix ajax loading issue: https://prnt.sc/4oLK-XHBNrJg
Admin - user roles - cannot be added.
seems like a site-wide php bugs.
4. please install and add the FFMPEG path: https://prnt.sc/Ygti52oesrHY
5. Optimize the entire code (CSS & JS & HTML).
6. Upgrade the php version from php7.4 to 8.1 and fix bug especially in JS.
7. unable to confirm receipt: https://prnt.sc/JtkUGTiyrRAh
8. Enhance the messaging function to be latest technology: https://prnt.sc/R4p0UNGg9j0T
This should be like chat and messaging. like facebook chat etc.

9. create responsive email message templates
https://prnt.sc/fHXyt3okKnoX
sample of my point.