Thanks for your reply! i will try that 🙂
@[cancellato]
hello, can i know is this issue fixed on the latest update of unity runtime package? i've downloaded the one updated on October 17 and the same error still popping out when i refocussing (click on other window and focusing) on Unity Editor.
i've also checked the editor script posted and it is all identical. am i missing out anything? thanks!