Tvheadend

Hello,
i have problem with my epg: not run... in tvheadend i don't see the updates

i have the default tv_grb_file and in settings.xml i have set the WEB download in this url: http://www.epg-guide.com/it.gz

--------------------------------------- settings.xml -------------------------------
<settings>
<setting id="WAIT_FOR_FEINIT" value="false" />
<setting id="NUM_ADAPTERS" value="1" />
<setting id="XMLTV_LOCATION_FILE" value="" />
<setting id="XMLTV_LOCATION_WEB" value="http://www.epg-guide.com/it.gz" />
<setting id="XMLTV_TYPE" value="WEB" />
<setting id="PRELOAD_CAPMT_CA" value="false" />
<setting id="WORKAROUND_SLEEP" value="false" />
<setting id="WORKAROUND_SLEEP_TIME" value="1" />
</settings>
------------------------------------------------------------------------------------------------------------------

but if activate the debug i find an error (this is the file debug.txt):

---------------------------------------------------------------- debug.txt ----------------------------------------
[ INFO]:xmltv: /storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file: grab /storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file
[ INFO]:spawn: Executing "/storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file"
[ ERROR]:spawn: Connecting to www.epg-guide.com (51.255.50.225:80)
[ ERROR]:spawn: Connecting to 62.210.91.241 (62.210.91.241:80)
[ ERROR]:spawn: - 8% |** | 476k 0:00:10 ETA
[ ERROR]:spawn: - 49% |*************** | 2774k 0:00:02 ETA
[ ERROR]:spawn: - 90% |**************************** | 5076k 0:00:00 ETA
[ ERROR]:spawn: - 100% |*******************************| 5582k 0:00:00 ETA
[ INFO]:xmltv: /storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file: grab took 3 seconds
[ INFO]:xmltv: /storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file: parse took 0 seconds
[ INFO]:xmltv: /storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file: channels tot= 0 new= 0 mod= 0
[ INFO]:xmltv: /storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file: brands tot= 0 new= 0 mod= 0
[ INFO]:xmltv: /storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file: seasons tot= 0 new= 0 mod= 0
[ INFO]:xmltv: /storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file: episodes tot= 0 new= 0 mod= 0
[ INFO]:xmltv: /storage/.kodi/addons/service.tvheadend42/bin/tv_grab_file: broadcasts tot= 0 new= 0 mod= 0
------------------------------------------------------------------------------------------------------------------

and nothing epg information are updated in tvheadend... can you help me?

Thankyou