view PB2 support center:
https://www.plazmaburst2.com/support/you must log in into the website with a verified account, for example, your google account
then, send tickets through the website to get respond to your doubts, suggestions, and issues.
or you can Private Massage staff so he/she can find your problem and solve it then.
or if not any either of that, just wait for a couple of days from not entering the multiplayer
other than that, hope you can play again, cause that's the most thing that I can do.
or if your problem has been solved before, and I'm replying hereafter the solution I solved
then I'm dumb.