Stickers, Transitions, Filters are not loading

[HirenBharodiya]

I'm trying to load Stickers, Transitions, Filters, etc. contents from SDK but I'm not getting any content into the dialog. I'm getting an error like Network Error, Please Try Again. I'm attaching the ScreenShot.

I also uploaded the stickers, transitions, and filters into my console but still not loading into my application.