Why can't I login with the teacher ‘s account on RoyalABC Classroom?

Please check the following:

• Passwords are case sensitive, so please check that you have not accidentally enabled your Caps Lock key.
• If you are both a teacher and the nominated administrator for your site, please check that you are using the correct teacher details.

If you are experiencing issues after you submitted the login form:

• the network maybe unstable, please try again later. 
• the equipment configuration does not meet the minimum configuration requirements