I have a Panasonic OLED 4K TV which has an annoying problem with Britbox. When trying to watch certain episodes of boxed sets, an error message is produced and the program will not play - even though it runs fine on my laptop. I have tried a factory reset - to no avail, and have contacted Britbox, who have said this is a known issue that they are aware of, but can give no further advice at the moment. Is anyone else experiencing this issue? Any ideas?