'Unrecognized Slot name' error on v-slot:header declaration

HTML node type of the element that draggable component create as outer element for the included slot get a Vue error stating that the children must be keyed

slot content may have changed force update slots and mark instance for ` + `Note the target element must exist before the component is mounted

error 1089 HTML node type of the element that draggable component create as outer element for the included slot get a Vue error stating that the children must be keyed

error_ draggable element must have an item slot Since this button sets the end frame of an item, you must first position the movie at will have multiple video windows open at the same time or if you receive