While the exact cause of this error is not known, it is worth checking if you have fulfilled all the system requirements for Java. If you are using a Windows system ...
You can try it for yourself, if you like.
Here's everything you need to know about adding mods in Paralives!
As it currently stands, it's a bit unclear how Rockstar are planning to approach multiplayer with GTA 6. It seems that GTA Online will continue to run even after the impending sequel launches, but ...