Tvheadend

For some (other) reason, my DVB-T #0 went off. However, I have another tuner (DVB-T #1) that is available. Can anyone explain the following log to me?

Apr  1 14:21:28 pvr tvheadend[4817]: dvr: "The Big Bang Theory" on "ProSieben" recorder starting
Apr  1 14:21:28 pvr tvheadend[4817]: mpegts: 658MHz in DVB-T - tuning on Realtek RTL2832 (DVB-T) : DVB-T #1
Apr  1 14:21:28 pvr tvheadend[4817]: subscription: 005D: "DVR: The Big Bang Theory" subscribing on "ProSieben", weight: 300, adapter: "Realtek RTL2832 (DVB-T) : DVB-T #1", network: "DVB-T", mux: "658MHz", provider: "ProSiebenSat.1", service: "ProSieben" 
Apr  1 14:21:34 pvr tvheadend[4817]: mpegts: 658MHz in DVB-T - tuning on Realtek RTL2832 (DVB-T) : DVB-T #0
Apr  1 14:21:34 pvr tvheadend[4817]: linuxdvb: Realtek RTL2832 (DVB-T) : DVB-T #0 - DTV_CLEAR failed [e=No such device]
Apr  1 14:21:38 pvr tvheadend[4817]: dvr: Recording unable to start: "The Big Bang Theory": No input detected
Apr  1 14:21:38 pvr tvheadend[4817]: subscription: 005D: No input source available for subscription "DVR: The Big Bang Theory" to channel "ProSieben" 
Apr  1 14:21:40 pvr tvheadend[4817]: subscription: 005D: No input source available for subscription "DVR: The Big Bang Theory" to channel "ProSieben" 
Apr  1 14:21:42 pvr tvheadend[4817]: subscription: 005D: No input source available for subscription "DVR: The Big Bang Theory" to channel "ProSieben" 
Apr  1 14:21:44 pvr tvheadend[4817]: subscription: 005D: No input source available for subscription "DVR: The Big Bang Theory" to channel "ProSieben" 

Thanks!

Dero