@kanya-TT YVM denotes YouView box.
@starman2 error codes can be looked up on the YouView website or TalkTalk help pages, with details on how to rectify. This link is for your code
https://support.youview.com/youview-box/error-messages/fix-for-yvm102/https://community.talktalk.co....
Hope this helps get you connected.
Please remember to mark Solved Posts with Best Answer. Doing so helps other customers and saves TalkTalk's Support Team time by only looking at unsolved topics. Thanks, Steve (a fellow customer).
