The Unknown Error on Login Page error occurs when the account's email address or password is typed incorrectly.
To resolve the Unknown Error on Login Page error:
Verify your email address and check for any additional spaces or characters.
After verifying your email address, reset your password. To reset your password, click on the Reset Password button below the Login box and follow those specific instructions.
Once you reset your password, you will immediately receive an email verifying this change. If you do not see this email from ITPro in your primary inbox, check your junk/spam folder.
If you still can’t access your account, please contact ITPro using the chat bubble at the bottom of the Login page.