You are not the only one - same issue here. If I miss the Rotos x 10 I will be very unhappy. 

From our known bugs channel of the rsl discord. 

The above can be fixed with:

The following steps should help to resolve the issue:

- Clear WebView Cache

- Try opening https://plarium.com in a browser on your mobile device

- Try changing your Internet connection type

Please follow these steps to clear WebView Cache:

1)Go to Play Store

2)Find Android System WebView

3)Tap Delete

4)Then tap on Update

From there, kindly go to Settings > Applications & Notifications > Android System WebView > Vault > Clear data & Vault. Please note that some tabs might be named differently depending on the system