I uploaded some logs specific to this issue in the following topic
Unable to play any Live TV channels since upgrading to the latest Android TV version
DaveBinM said they had been passed on to the Devs but re-adding here to increase visibility. I left the Beta channel hoping that this bug would not be introduced into the public build release but unfortunately this has not been the case. For me, this error was introduced with any and all versions stating with 7.30.x.x