Why wont some aggregator or post to to WordPress from YouTube videos work?
WordPress aggregator will create YouTube feeds with images or icons in the title and will list your post but wont post the article or video.
I run across this every time I set up a new site to aggregate!
An example:
My rss feed aggregator will pull YouTube feed with some icons or images in the title line.
( My Favorite music Video✌️)
The aggregator will create this path on my site. https://mysite.com/My%Favorite%musi%Video✌️/
It will show the post on the main page but when you click to view the post it will give the 404 page not found error.
The only way to fix this is to go into your admin panel and navigate to
Settings/Permalinks/
Change the option to select: Plain