tibyke: looks like something is wrong with your modules. There is a version mismatch
 T230Cv2 support was added in kernel v5.4 as well
how are you going about this?
moin
the url in the subejct is 403: https://linuxtv.org/git/media_tree.git/, it should be https://git.linuxtv.org/media_tree.git