If you are receiving the error 'QuotaExceededError: Dom exception 22' whilst accessing your online account this is due to our web app trying to save scheduling data for offline use but your device is not allowing it.
The 2 fixes are:
A, Some users have found the same behaviour on Safari to be caused by private mode browsing. It seems that while on private browsing Safari does not allow local storage to be used at all. The solution is the app needs non-private mode to work.
B, Others users have reported you might have disabled the Cookies. This is a bug on iOS7 that if you have disabled the Cookies, localStorage will not work and gives this error. Try enabling cookies, then it should work.