This seems like a phish attempt.  

I'm certainly not clicking that link.  lol. 

You will most likely need a support case.  Sharing a screenshot would be better for us to see the actual error. 

Please review the thread here: https://www.googlecloudcommunity.com/gc/SecOps-SIEM/I-cant-sign-in-into-my-Google-SecOps-Chronicle-Looping/m-p/827172#M2235

Hi @RenanSolo 

I did not click on that drive link above, but the fact the user can sign in via his phone's browser and not his computer points to a time sync issue on his computer. I've seen this a few times and the login loop goes away once the users laptop time is synced. You can use NTP to find out what is the time offset. 

Hi, thanks for the reply. I came across this post while doing my research, but couldn't figure out exactly what was the solution proposed there.

Here are the screenshots. Those screens keep showing in sequencing, repeating one after another.

@RenanSolo did you see this comment? 

Thank you everyone for your support on this post. I have defanged the link above for security purposes. 

Hi Rene, thank you for the reply. I'm gonna meet with the user later today and try your solution. I'll come back here to tell you if it works.

His clock was 2 minutes ahead of actual time. He synced his clock and worked flawlessly. Thank you very much.

Great! Happy to help.