Originally Posted by VDub2174
I've tried clearing cache/data on both apps but that didn't help. At one point I thought it was because I was using an older version of Tapatalk but someone else reported the same issue on the latest version. I think it might be up to the dev at this point.
Yeah, I was using the old version and most activity (open a notification, reply, etc) caused this dreaded error.
I think the dev have abandoned three old version and working towards the new one. Version 4 is laggy though and I hate the new notification page.