Tvheadend

I've added a channelfile by myself. After writing all infos into the file and restarting tv-headend, the services crashes... I cannot figure out why it crashes. There's no speaking crash message except this one:
2014-04-24 12:49:16.680 [ ALERT]:CRASH: Fault address (nil) (Address not mapped)

---
2014-04-24 12:49:15.936 [ INFO]:linuxdvb: adapter added /dev/dvb/adapter1
2014-04-24 12:49:16.660 [ INFO]:linuxdvb: adapter added /dev/dvb/adapter0
2014-04-24 12:49:16.680 [ ALERT]:CRASH: Signal: 11 in PRG: /usr/bin/tvheadend (3.9.569~ge113c3b) [56b43f766dcf2fdbec3492f306ed12381d3a9872] CWD: /
2014-04-24 12:49:16.680 [ ALERT]:CRASH: Fault address (nil) (Address not mapped)
2014-04-24 12:49:16.680 [ ALERT]:CRASH: Loaded libraries: /usr/lib/x86_64-linux-gnu/libdvbcsa.so.1 /usr/lib/x86_64-linux-gnu/libssl.so.1.0.0 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libz.so.1 /usr/lib/x86_64-linux-gnu/libcurl.so.4 /usr/lib/liburiparser.so.1 /usr/lib/x86_64-linux-gnu/libavahi-common.so.3 /usr/lib/x86_64-linux-gnu/libavahi-client.so.3 /lib/x86_64-linux-gnu/libdl.so.2 /usr/lib/x86_64-linux-gnu/libva.so.1 /usr/lib/x86_64-linux-gnu/libXfixes.so.3 /usr/lib/x86_64-linux-gnu/libXext.so.6 /usr/lib/x86_64-linux-gnu/libX11.so.6 /usr/lib/x86_64-linux-gnu/libjack.so.0 /usr/lib/x86_64-linux-gnu/libasound.so.2 /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0 /usr/lib/x86_64-linux-gnu/libdc1394.so.22 /usr/lib/x86_64-linux-gnu/libraw1394.so.11 /usr/lib/x86_64-linux-gnu/libxvidcore.so.4 /usr/lib/x86_64-linux-gnu/libx264.so.132 /usr/lib/x86_64-linux-gnu/libvorbisenc.so.2 /usr/lib/x86_64-linux-gnu/libvorbis.so.0 /usr/lib/x86_64-linux-gnu/libtheoraenc.so.1 /usr/lib/x86_64-linux-gnu/libtheoradec.so.1 /usr/lib/x86_64-linux-gnu/
2014-04-24 12:49:16.680 [ ALERT]:CRASH: Register dump [23]: 000000000000000000000000000000000000000000000001007e00000000000000007f910c403ec0000000000000000000007f910cc4f7200000000000b86d6000007f910c403ec000007f910cc4f720000000000000000000007f910c403ec00000000000000000000000000000000000007f910cc4f72000007fff4df60f300000000000452ac5000000000001020600000000000000330000000000000004000000000000000efffffffe7ffbfa170000000000000000
2014-04-24 12:49:16.680 [ ALERT]:CRASH: STACKTRACE
2014-04-24 12:49:16.711 [ ALERT]:CRASH: /opt/install/tvheadend/src/trap.c:148 0x473b86
2014-04-24 12:49:16.717 [ ALERT]:CRASH: ??:0 0x7f911a273030
2014-04-24 12:49:16.746 [ ALERT]:CRASH: /opt/install/tvheadend/src/idnode.c:684 0x452ac5
2014-04-24 12:49:16.774 [ ALERT]:CRASH: /opt/install/tvheadend/src/channels.c:523 0x4637c2
2014-04-24 12:49:16.801 [ ALERT]:CRASH: /opt/install/tvheadend/src/channels.c:620 0x4643f9
2014-04-24 12:49:16.829 [ ALERT]:CRASH: /opt/install/tvheadend/src/main.c:756 0x44e322
2014-04-24 12:49:16.829 [ ALERT]:CRASH: __libc_start_main+0xfd (/lib/x86_64-linux-gnu/libc.so.6)
---

The file content:
root@home:/home/hts/.hts/tvheadend# cat channel/1 {
"number": 2,
"dvr_pre_time": 5,
"dvr_pst_time": 5,
"services": [
"5ca224e0a51fab89d79f9e17dc0ce923"
],
"tags": [
1
]
}

The servicefile exists, too:
root@home:/home/hts/.hts/tvheadend# find . |grep 5ca224e0a51fab89d79f9e17dc0ce923
./input/dvb/networks/9c6e361c908984a3091fbc417da53f0a/muxes/a55f5576cfe0fe4e5530049394cb848e/services/5ca224e0a51fab89d79f9e17dc0ce923