AchievementPrototypeWithCondition::objective_condition
must be optional (at least it's missing for "solaris")
shares typename with Loader1x2Prototype
please make LoaderPrototype abstract
and remove it from AnyPrototype (which has 2 entries for type="loader")
must be optional (at least it's missing from "space-location-unknown")
must be renamed to space_platform_acceleration_expression
CranePartDyingEffect::particle_effects
must be of type CreateParticleTriggerEffectItem or array[CreateParticleTriggerEffectItem]
must be renamed to spidertron_remote_selected
must be renamed to spidertron_remote_to_be_selected
must be of type Direction
must be optional
must be optional (at least it's missing from "dummy-rail-ramp")
SingleGraphicLayerProcessionBezierControlPoint::frame
must be optional
Sound
must be of type struct or array[SoundDefinition] or FileName
must be optional
WorkingVisualisations::working_visualisations
must be of type WorkingVisualisation or array[WorkingVisualisation]
At least that is what directly threw exceptions in my face.