I am getting the same thing every once in a while using egde. I am able to put in my username and password a second time and login successfully. I am on version 1.15.6

Invalid CSRF Token CSRFToken
Invalid CSRF token [a35309cf1df02ed6efb727824fe8200ee3b47458] on http://sun100support.sunrisepoultry.bc.ca/scp/login.php

Log Date: Tuesday, March 15, 2022 at 6:38 AM IP Address: 10.239.100.11

As soon as you upgrade php to 7.2 you can upgrade to v1.15 with no issues.

I have the exact same issue. I was able to upgrade to version 1.14.6 with no issue but as soon as I went to go to 1.15 broke on me as well. with a bit of googling you can update mysql and php to 7.2 as suggested.