How about you Create your own damn Addon then. it takes a lotsa time but what youre doing rn is More like demanding there to be a mod or certain planets. wich is for certain percentage NOT even achievable atm yes if there would be an addon for an addon it might if you stick a lot of your Crap...
Make sure you install the mod correctly apart from that make sure you download from official site. it may be that you downloaded the version for the wrong mc version.
please use spoilers next time when reporting. However this mod is not being maintained anymore thus resulting in there not being any updats.. also REMOVE Xray... also you should narrow down as to what creates this problem.. aswell as make sure you download GC from official site