Suspense movie "Sleep my Love" has video glitch in recording right at the climax, exactly 2:20-2:12 before the end, and the rest of the movie has no sound. Boo.
Yes, looks to be an issue exactly as you described. You will need to contact the channel developer for any fix to this. From their website and channel/app privacy policy page, looks like best email is info@classicfilmtime.com or to use their contact page at https://www.tvtimemedia.com/contact/.
https://channelstore.roku.com/details/0493ffbfa7737a67624acb00f1b2938d/tvtime-feature-films