You'll want to update your lua-scripts to the latest version which is compatible with the lua events API change as described in the darktable 3.6 Lua roadmap (https://github.com/darktable-org/darktable/issues/8052).
___________________________________________________________________________ darktable developer mailing list to unsubscribe send a mail to darktable-dev+unsubscr...@lists.darktable.org