Sweet :a volley is when you two people hire someone b2b. It' helps all three. And you can only join 1 club if you leave the club your in you can join another one
I get that message when I don't have wifi/my signal isn't very strong. But if that's not the case, you can try quitting the app (double click home button to bring up multitasking bar, hold finger down on PIMD, click on red minus sign to close) and reopening it
If you are unable to resolve the issue using the advice stated above, you should send Feedback explaining your problem, alternatively you can send an e-mail to support@athinkingape.com to let the developers know of your issue so they can help you resolve it.