https://gitlab.gnome.org/GNOME/gnome-music/-/issues/473
https://gitlab.gnome.org/GNOME/grilo-plugins/-/merge_requests/108

diff --git a/src/lua-factory/grl-lua-factory.c b/src/lua-factory/grl-lua-factory.c
index 4f37984..3a3b824 100644
--- a/src/lua-factory/grl-lua-factory.c
+++ b/src/lua-factory/grl-lua-factory.c
@@ -1255,8 +1255,6 @@ table_to_tags (lua_State *L)
     lua_pop (L, 1);
   }
 
-  lua_pop (L, 1);
-
   if (array->len == 0) {
     g_ptr_array_free (array, TRUE);
     return NULL;
