The only reference I could find to a "Not support!" error was last fall when they were rolling out Roku firmware version 9.2. Most people reported that restarting their Roku took care of the problem.
Doug
Roku Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X | Roku Streaming Stick 3600
Roku Community Streaming Expert
I am not a Roku employee, just a user like you.
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