Item 'Garage_Door' has been removed

Can someone tell me why the Items are removed ?
The item config is from 1.8

2016-11-01 09:31:56.347 [ItemRemovedEvent          ] - Item 'Garage_Door' has been removed.
2016-11-01 09:31:56.347 [ItemRemovedEvent          ] - Item 'Garage_Light' has been removed.
2016-11-01 09:31:56.348 [ItemRemovedEvent          ] - Item 'Cam_Event' has been removed.
2016-11-01 09:31:56.349 [ItemRemovedEvent          ] - Item 'Solar_Chart' has been removed.
2016-11-01 09:31:56.350 [ItemRemovedEvent          ] - Item 'Solar_TempKollektor' has been removed.
2016-11-01 09:31:56.350 [ItemRemovedEvent          ] - Item 'Solar_WasserPuffer' has been removed.

Switch Garage_Door “Garage Tuer” (gOutdoor) { exec=“ON:sudo /opt/scripts/openhab/_cmd.py --nxx_key=XXX --xxp_command=provideAccess”, autoupdate=“false” }

also all my groups are removed ?

2016-11-01 09:50:31.851 [ItemRemovedEvent          ] - Item 'All' has been removed.
2016-11-01 09:50:31.853 [ItemRemovedEvent          ] - Item 'gGF' has been removed.
2016-11-01 09:50:31.854 [ItemRemovedEvent          ] - Item 'gFF' has been removed.
2016-11-01 09:50:31.854 [ItemRemovedEvent          ] - Item 'gC' has been removed.
2016-11-01 09:50:31.854 [ItemRemovedEvent          ] - Item 'gOutdoor' has been removed.
2016-11-01 09:50:31.854 [ItemRemovedEvent          ] - Item 'gWeather' has been removed.
2016-11-01 09:50:31.854 [ItemRemovedEvent          ] - Item 'gIntern' has been removed.
2016-11-01 09:50:31.854 [ItemRemovedEvent          ] - Item 'gZwaveStats' has been removed.
2016-11-01 09:50:31.855 [ItemRemovedEvent          ] - Item 'gRGBW' has been removed.

solved. It is only info when you reload your items