Black hole glitch

[GameData]

I play a modded save of KSP 1.5.1 and use the mod Kargantua System. I have KSPRC installed, but not EVE and Scatterer. From the file, I have downloaded 2 items: KargantuaSystem, the actual system, and INSTANTIATOR, the accreation disk. But with only INSTANTIATOR, the disc is a great big 2d square. How can I fix this?

[KerbolExplorer]

That mod is pretty old and it hasnt been updated in a while.I recommend you download the 1.2.2 versión of KSP using this guide:

https://www.reddit.com/r/Steam/duplicates/611h5e/guide_how_to_download_older_versions_of_a_game_on/