You have lots of listings in your database, but they're all against channels not enabled in your capture source. Its like you originally started with manually created channels, or using the DVB EPG option, then tried to switch to Schedules Direct.
I'd delete your gbpvr.db3 file, then create you capture source again from scratch, setup your Schedules Direct EPG source, hit the Update EPG button to pull in the channels and listings, then hit the 'map digital channels to epg channels' and do the scanning and mapping...