ES Consulting specializes in the development and supply of warehouse management and stock control systems.
Our flagship product is Barcoder 250 which has been developed in-house and for which we hold the IPR. This often meets our customers’ requirement out of the box and need little or no bespoke development to exactly match the customers’ business process.
We specialise in warehouse management systems. We also develop complex line of business web applications and additions for Sage 50 and Sage 200.
Invidious encountered an error while trying to parse this item. For more information see below:
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)` Date: `2026-07-01T13:57:46Z` Route: `/channel/UCPbLCRnkIvrn3zuZzBeQQ8A` 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: `2026-07-01T13:57:46Z` Route: `/channel/UCPbLCRnkIvrn3zuZzBeQQ8A` 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>