I made the blocks all right I looked for some discussions here but found none to help me.
When you start the video appears to click and go to youtube, does not start in the application.
The video may not be playable outside of YouTube (Embed disabled)
Edited:
The embed may be blocked in your country (Brazil if I’m not mistaken)
By the way, welcome to Kodular Community 
#HappyKoding
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How to find any video that does not have this lock? because even my videos don’t work
This video works on my end B8H3hiCjwSU
2 Likes
video works for me too
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could i see which block you used?
I still don’t understand what’s going on with mine so
use Button1 to play
Btw, companion or as apk
even with your code is not working
Try this: YouTube.apk (4.9 MB)
If it still does not work, make sure you have an internet connection. 
2 Likes
The error is on the internet, I don’t know why, I tried with vpn and got