Bought a pass 1 day sports, checked account showing, but when trying to load saying day pass needed, can't call anyone, chat is useless and doesn't cover fault
Out of curiosity what playback device are you using ?
Bit of a long shot have you tried logging out of the NowTV App and signing back in again ?
If your device offers the option to delete the NowTV App, then remove it and download it again from the device App Store and reboot your device before attempting to sign back into the App.
If you are using a PC then try a different internet browser with the NowTV Player software to see if that makes any difference.