@HO13 your hub has lost connection to the line. You can check if Sky are aware of a fault affecting your line by running the service check in the My Sky app. If thst doesnt indicatecthey are give them a ring to report it so they can get it checked out.
You are using a domestic line for work which is fine but doesn't change the service level for faults which is a fix within 2 working days after tge report ie if reported today by Friday evening. Openreach dont guarantee all faults will be fixed in that time but you get paid compensation if they aren't see Customer Auto-Compensation | Sky Help | Sky.com
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
