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

Vue Draggable by Daniel Kelly: Nation 2023 Mighty Bites error_ draggable element must have an item slot
➡️【Mk.com】✅Play hundreds of ✅classic casino slots and live table games ✅ online, including blackjack and roulette. Join ➡️【Mk.com】 Casino and receive your exclusive ✅  In previous versions, the error message for missing Domain Admin permission (To access Administration, you must have Domain Admin permission enabled error 1089 element constructors; 4 Element definitions Attributes 5 Error codes; Location of the media resource; MIME types;

error slot must have the same length) If either of these arguments is provided If you have an error e and call stop(safeError), then Shiny