This Video Cannot Be Played

"We've run into a problem while streaming"

Can't watch LiveTV, or DVR recordings on my laptop.

Customer Service Diagnostics
Build number 21
OS Windows 10
Browser Chrome 80.0.3987.149
Flash version 0
Status in home
Entitlements tve-vod, tve-linear, cdvr, cvod, est, clinear, transactions
Last fingerprint cloudtv_web_polymer_5.19.0_prod_1586234863567_30249
Stream provider primetime
Video ID tvgrid/listing/2001661904070330109/detail/?channelId=5585336190985962104
Stream ID tag:xfinitytv.comcast.net,2013:channel-station:7711086542304528117:chNum:557:callSign:HBOFW#stream:format:HLS
Error code TVAPP-00277
Error description see error docs
Error aux info http://ccr.linear-nat-rsg-red.xcr.comcast.net/HBOFW_W_SD_NAT_9770_0_6065022383541415163.m3u8?format=redirect
Video Provider 557 HBOFW
Video Source TVListingDetail
Video Title The LEGO Movie 2: The Second Part