TELUS TV+ non casting on TV screen

Casting on TV screeen is not working. The casting device (chromecast) connects the mobile device. But the telus show im watching on my mobile device is playing but on the TV screen it freezes. I wonder whats wrong with your app. Because I tried playing youtube, netflix, facebook videos, video save on the mobile device, tiktok videos, web browser videos, other streaming platform are playing on the TV screen, they are all working properly. But not TELUS TV+. CAN YOU GUYS FIX THIS.. SEEMS LIKE TELUS DONT WANT US TO STREAM TELUS TV+ ON OUR SMART TVs? WHY???? TIA for yoir reply.