Register_Sidebar overwriting itself and doesn’t exist in global $wp_registered_sidebars;
The solution was simple and made me feel tremendously stupid. 90% of the issues I could find remotely similar to my issue were all issues relating to the casing. Throughout this whole process I overlooked the “_HOMEPAGE” and “_RIGHT_SIDEBAR” in my IDs. Those should be lowercase. id – Sidebar id – Must be all in … Read more