Merge pull request #36868 from Calinou/improve-cli-script-error-message

Tweak the error message when trying to run an invalid script from CLI

main/main.cpp

@@ -1675,15 +1675,15 @@ bool Main::start() {
  return false;
  }
 
- if (script_res->can_instance() /*&& script_res->inherits_from("SceneTreeScripted")*/) {
+ if (script_res->can_instance()) {
 
  StringName instance_type = script_res->get_instance_base_type();
  Object *obj = ClassDB::instance(instance_type);
  MainLoop *script_loop = Object::cast_to<MainLoop>(obj);
  if (!script_loop) {
  if (obj)
  memdelete(obj);
- ERR_FAIL_V_MSG(false, "Can't load script '" + script + "', it does not inherit from a MainLoop type.");
+ ERR_FAIL_V_MSG(false, vformat("Can't load the script \"%s\" as it doesn't inherit from SceneTree or MainLoop.", script));
  }
 
  script_loop->set_init_script(script_res);