Votre centre de formation des métiers de la sécurité à Paris
Nouvel R Formation est un centre d’apprentissage privé et réputé (Noisy-le-Grand –GROUPE NOUVEL R). Vous souhaitez travailler dans la sécurité privée ? Nos formations APS, APR, SSIAP, SST et dirigeant sont faites pour vous !
Savoir-faire, excellence et expertise
C’est dans un environnement idéal (équipements professionnels) que nos formateurs chevronnés s’investissent aux côtés de leurs élèves pour proposer des formations qualifiantes, complètes et certifiées : 97% de nos stagiaires sont diplômés et 99% d’entre eux sont recrutés à l’issue de l’enseignement !
Des formations essentielles pour prévenir les maladies professionnelles ou accidents au travail
La sécurité en entreprises et collectivités fait aussi partie de nos préoccupations. Protégez votre personnel dans l’exercice de ses fonctions avec nos stages HOBO (habilitation électrique), PRAP (activité physique), BEHE (risques électriques), etc.
Invidious encountered an error while trying to parse this item. For more information see below:
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)` Date: `2026-07-15T08:41:26Z` Route: `/channel/UC0xiaW1LKpHUTmjukoUSJpg` Version: `2026.02.07-118d635 @ (HEAD detached at v2.20260207.0)` <details> <summary>Backtrace</summary> <p> ``` Missing hash key: "collectionThumbnailViewModel" (KeyError) from /usr/share/crystal/src/hash.cr:1198:9 in '??' from /usr/share/crystal/src/json/any.cr:149:5 in 'process' from src/invidious/yt_backend/extractors.cr:524:17 in 'process' from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item' from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items' from src/invidious/channels/videos.cr:29:22 in 'get_60_videos:continuation:sort_by' from src/invidious/routes/channels.cr:56:36 in 'videos' from lib/kemal/src/kemal/route.cr:13:9 in '->' from src/invidious/helpers/handlers.cr:31:37 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/invidious/helpers/handlers.cr:80:12 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/ext/kemal_static_file_handler.cr:127:14 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client' from /usr/share/crystal/src/fiber.cr:170:11 in 'run' from ??? ``` </p> </details>
Invidious encountered an error while trying to parse this item. For more information see below:
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)` Date: `2026-07-15T08:41:26Z` Route: `/channel/UC0xiaW1LKpHUTmjukoUSJpg` Version: `2026.02.07-118d635 @ (HEAD detached at v2.20260207.0)` <details> <summary>Backtrace</summary> <p> ``` Missing hash key: "collectionThumbnailViewModel" (KeyError) from /usr/share/crystal/src/hash.cr:1198:9 in '??' from /usr/share/crystal/src/json/any.cr:149:5 in 'process' from src/invidious/yt_backend/extractors.cr:524:17 in 'process' from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item' from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items' from src/invidious/channels/videos.cr:29:22 in 'get_60_videos:continuation:sort_by' from src/invidious/routes/channels.cr:56:36 in 'videos' from lib/kemal/src/kemal/route.cr:13:9 in '->' from src/invidious/helpers/handlers.cr:31:37 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/invidious/helpers/handlers.cr:80:12 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/ext/kemal_static_file_handler.cr:127:14 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client' from /usr/share/crystal/src/fiber.cr:170:11 in 'run' from ??? ``` </p> </details>
Invidious encountered an error while trying to parse this item. For more information see below:
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)` Date: `2026-07-15T08:41:26Z` Route: `/channel/UC0xiaW1LKpHUTmjukoUSJpg` Version: `2026.02.07-118d635 @ (HEAD detached at v2.20260207.0)` <details> <summary>Backtrace</summary> <p> ``` Missing hash key: "collectionThumbnailViewModel" (KeyError) from /usr/share/crystal/src/hash.cr:1198:9 in '??' from /usr/share/crystal/src/json/any.cr:149:5 in 'process' from src/invidious/yt_backend/extractors.cr:524:17 in 'process' from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item' from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items' from src/invidious/channels/videos.cr:29:22 in 'get_60_videos:continuation:sort_by' from src/invidious/routes/channels.cr:56:36 in 'videos' from lib/kemal/src/kemal/route.cr:13:9 in '->' from src/invidious/helpers/handlers.cr:31:37 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/invidious/helpers/handlers.cr:80:12 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/ext/kemal_static_file_handler.cr:127:14 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client' from /usr/share/crystal/src/fiber.cr:170:11 in 'run' from ??? ``` </p> </details>
Invidious encountered an error while trying to parse this item. For more information see below:
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)` Date: `2026-07-15T08:41:26Z` Route: `/channel/UC0xiaW1LKpHUTmjukoUSJpg` Version: `2026.02.07-118d635 @ (HEAD detached at v2.20260207.0)` <details> <summary>Backtrace</summary> <p> ``` Missing hash key: "collectionThumbnailViewModel" (KeyError) from /usr/share/crystal/src/hash.cr:1198:9 in '??' from /usr/share/crystal/src/json/any.cr:149:5 in 'process' from src/invidious/yt_backend/extractors.cr:524:17 in 'process' from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item' from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items' from src/invidious/channels/videos.cr:29:22 in 'get_60_videos:continuation:sort_by' from src/invidious/routes/channels.cr:56:36 in 'videos' from lib/kemal/src/kemal/route.cr:13:9 in '->' from src/invidious/helpers/handlers.cr:31:37 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/invidious/helpers/handlers.cr:80:12 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/ext/kemal_static_file_handler.cr:127:14 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client' from /usr/share/crystal/src/fiber.cr:170:11 in 'run' from ??? ``` </p> </details>
Invidious encountered an error while trying to parse this item. For more information see below:
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)` Date: `2026-07-15T08:41:26Z` Route: `/channel/UC0xiaW1LKpHUTmjukoUSJpg` Version: `2026.02.07-118d635 @ (HEAD detached at v2.20260207.0)` <details> <summary>Backtrace</summary> <p> ``` Missing hash key: "collectionThumbnailViewModel" (KeyError) from /usr/share/crystal/src/hash.cr:1198:9 in '??' from /usr/share/crystal/src/json/any.cr:149:5 in 'process' from src/invidious/yt_backend/extractors.cr:524:17 in 'process' from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item' from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items' from src/invidious/channels/videos.cr:29:22 in 'get_60_videos:continuation:sort_by' from src/invidious/routes/channels.cr:56:36 in 'videos' from lib/kemal/src/kemal/route.cr:13:9 in '->' from src/invidious/helpers/handlers.cr:31:37 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/invidious/helpers/handlers.cr:80:12 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/ext/kemal_static_file_handler.cr:127:14 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client' from /usr/share/crystal/src/fiber.cr:170:11 in 'run' from ??? ``` </p> </details>
Invidious encountered an error while trying to parse this item. For more information see below:
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)` Date: `2026-07-15T08:41:26Z` Route: `/channel/UC0xiaW1LKpHUTmjukoUSJpg` Version: `2026.02.07-118d635 @ (HEAD detached at v2.20260207.0)` <details> <summary>Backtrace</summary> <p> ``` Missing hash key: "collectionThumbnailViewModel" (KeyError) from /usr/share/crystal/src/hash.cr:1198:9 in '??' from /usr/share/crystal/src/json/any.cr:149:5 in 'process' from src/invidious/yt_backend/extractors.cr:524:17 in 'process' from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item' from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items' from src/invidious/channels/videos.cr:29:22 in 'get_60_videos:continuation:sort_by' from src/invidious/routes/channels.cr:56:36 in 'videos' from lib/kemal/src/kemal/route.cr:13:9 in '->' from src/invidious/helpers/handlers.cr:31:37 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/invidious/helpers/handlers.cr:80:12 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/ext/kemal_static_file_handler.cr:127:14 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client' from /usr/share/crystal/src/fiber.cr:170:11 in 'run' from ??? ``` </p> </details>
Invidious encountered an error while trying to parse this item. For more information see below:
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)` Date: `2026-07-15T08:41:26Z` Route: `/channel/UC0xiaW1LKpHUTmjukoUSJpg` Version: `2026.02.07-118d635 @ (HEAD detached at v2.20260207.0)` <details> <summary>Backtrace</summary> <p> ``` Missing hash key: "collectionThumbnailViewModel" (KeyError) from /usr/share/crystal/src/hash.cr:1198:9 in '??' from /usr/share/crystal/src/json/any.cr:149:5 in 'process' from src/invidious/yt_backend/extractors.cr:524:17 in 'process' from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item' from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items' from src/invidious/channels/videos.cr:29:22 in 'get_60_videos:continuation:sort_by' from src/invidious/routes/channels.cr:56:36 in 'videos' from lib/kemal/src/kemal/route.cr:13:9 in '->' from src/invidious/helpers/handlers.cr:31:37 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/invidious/helpers/handlers.cr:80:12 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/ext/kemal_static_file_handler.cr:127:14 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client' from /usr/share/crystal/src/fiber.cr:170:11 in 'run' from ??? ``` </p> </details>
Invidious encountered an error while trying to parse this item. For more information see below:
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)` Date: `2026-07-15T08:41:26Z` Route: `/channel/UC0xiaW1LKpHUTmjukoUSJpg` Version: `2026.02.07-118d635 @ (HEAD detached at v2.20260207.0)` <details> <summary>Backtrace</summary> <p> ``` Missing hash key: "collectionThumbnailViewModel" (KeyError) from /usr/share/crystal/src/hash.cr:1198:9 in '??' from /usr/share/crystal/src/json/any.cr:149:5 in 'process' from src/invidious/yt_backend/extractors.cr:524:17 in 'process' from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item' from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items' from src/invidious/channels/videos.cr:29:22 in 'get_60_videos:continuation:sort_by' from src/invidious/routes/channels.cr:56:36 in 'videos' from lib/kemal/src/kemal/route.cr:13:9 in '->' from src/invidious/helpers/handlers.cr:31:37 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/invidious/helpers/handlers.cr:80:12 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next' from src/ext/kemal_static_file_handler.cr:127:14 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call' from /usr/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client' from /usr/share/crystal/src/fiber.cr:170:11 in 'run' from ??? ``` </p> </details>