Hello, if people continue to have this problem, there is a very simple solution to remedy this problem.
https://dev.epicgames.com/community/learning/tutorials/1VRj/unreal-engine-how-to-fix-collisioncylinder-in-bp_thirdpersoncharacter-blueprint-isn-t-static-so-cameraboom-which-is-static-can-t-attach-aborting