iCloud communicating problem occur while login

See the article If you can't connect or sign in to iCloud - Apple Support

smriti258 Said:

"iCloud communicating problem occur while login: iCloud communicating problem occur while login in mail files and others"

-------

Troubleshooting iCloud Connection Issues:

A. Try later on.

There might be some syncing errors at the moment.

B. Charge you Battery:

Have at least a 60% charge on the battery when fiddling with iCloud Drive, as it can consume lots of battery.

C. Restart your Router:

Power off your router for 30 seconds, and then power it back on.

D. Screen Time Being the Culprit:

If this is manages by someone else, then you may not have the permissions to use this at the moment.