Reasons for Hotstar Party Not Working?
It's possible that you'll encounter a notice saying "Hotstar watch party not working" if you attempt to utilise the Chrome extension Hotstar Party. Due to numerous performance factors, this is also true for the several additional extensions that are available for the same purpose. The following are the most typical ones:

The user cannot use extensions like Hotstar Party since they are not updated or maintained.
The majority of extensions that claim to support all OTT platforms occasionally only support a small selection of platforms or a select few.
The extension you intend to utilise is either unsupported or requires a lengthy setup process, which makes it challenging to use.

 
Have a look at these useful chrome extensions:-
Crunchyroll Party | Netflix Party | Private Watch Party | Netflix Party | Netflix Watch Party | Disney Plus Group Watch | Teleparty | Netflix Party | Teleparty | Netflix Watch Party