1) Check box and Radio button field is configured in SRD question which is made required field, if no selection is made in checkbox and you click Submit MyIT does not highlight the checkbox and radio button field in RED notifying this is required field.
The highlight functionality should work an all required fields.
For some reason the error message sometimes disappears.
2) When you submit a request you are at the bottom of the page. The error message is displayed at the top of the page and you need to scroll up to see the error message.
For the user it looks as if the button doesn't work, no error message is visible: