Please follow https://plugins360.com/all-in-one-video-gallery/video-advertising/ to enable ads on your videos.
Note: If you can't get it to work with any of the setting combinations, try testing with the Google IMA Ad Inspector. Generally, if it doesn't work in the IMA Ad inspector it's unlikely that it will work with our plugin, so you should reach out to your ad provider or try comparing your tag against some of our sample tags to see what went wrong.
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