Fixing Invalid CSRF Protection Token

Fix 1 - Try again with same login details
Fix 2 - Try to relod page then login
Fix 3 - Clear browser cookies then login
Fix 4 - Try to login on private window
Fix 5 - Change your network and connect with another network then try to login
Fix 6 - If you login with google gmail directly you can use forgot option to create new password.
Note : This is only recommended when you login with google directly.
If you still facing the same issue raise a support ticket.