I have tried everything that i could find on here but it doesnt even begin to download the resource pack. i click join server then this pops up. now i dont know what i can do
Okay, make sure you're using a version above 1.10. If you already are, try using different versions. For example, if you're using 1.10, switch to 1.11. Still not working? Well, I can't think of much else to help you from here, sorry.