Coliseum Error Code 9.0

I am receiving the same error code on an iPhone.

Same problem here. Also can't report it - doesn't work.

Yes, me too. There is issue with how Screen pops up and can't open the keyboard to type...

An error has occured that requires restarting the game. Please check your internet connection as a poor connection could be the issue, then press "Restart". If you have seen this prompt multiple times and have a strong internet connection, then please contact us. ERRORCODE 9.0.

398665316

I've had the same problem since yesterday evening

Same problem. Errorcode 9.0. I've tried all. Changing connection, cleares caches, uninstalling, restarted, cleared Google Play Services cache, changing phone. Nothing works. 

Same here also had the problem since yesterday evening 

Same here, I reinstalled and still the same problem..code 9.0 on leader board score

"Contact us" craps out also as I want send an error report

Same for me using Google phone