Please find below a number of ways to fix common issues with logging into the staff side of the website
Reset your password:
First, try and reset your password using the link at the bottom of the staff screen:
Clear your Cache:
Clear your cache and try to login again with your username and a new password that you have set.
Not sure how to clear your cache? See the links available on the below websites which have some good step through processes for how to do this in different browsers.
Try a different browser:
Try download google chrome or Firefox