Updating to 1.13 throw lot of error and map are changing

+[Server thread/WARN]: Unsupported key: in TaggedChoiceType[id, Minecart -> ((Tag["DisplayTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), ((Tag["Items", List[MuType[V106_3]]] | NilDrop), NilSave)), 
MinecartChest -> ((Tag["DisplayTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), ((Tag["Items", List[MuType[V106_3]]] | NilDrop), NilSave)), 
SpectralArrow -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), 
EyeOfEnderSignal -> NilSave,+