Signing into KBC with your Google account is not working presently.
We're investigating and hope to have it resolved shortly.
In the meantime, please sign in using the standard email and password method.
Sorry for this inconvenience, this post will be updated when further information becomes available.
UPDATE 08:21 UTC We have identified the issue. The fix will be deployed in ASAP.
UPDATE 08:55 UTC Signing in with your Google account is again fully operational.