Getting a consistent LUA error that keeps lagging my server

[Image Stickers - Internet pictures attached to entities] lua/entities/image_sticker.lua:430: attempt to call method 'CreateImage' (a nil value)
1. onsuccess - lua/entities/image_sticker.lua:430
2. unknown - lua/includes/modules/http.lua:29 (x2)

We have alot of image stickers on the map and its causing massive slow down at random times. it gets better when multiple people are online though, but if only 1 person is online there are massive lag spiked every 45sec (goes from 230fps to 12-15 for second, freezes, then goes back up)
We tried just one sticker but even just one caused the issues