ALC Housing (1) Corner Hedge Partition + Hedge Partition Undesynthesizable?

Date & Time: 12/31/2020 5:50 PM GMT+8
Frequency: Always
World name: Tonberry
Character name: Iris Marigold
Retainer name: None
NPC name: None
Monster name: None
Class/Level: ALC / 66
Party or solo: solo
In-game time: 10:51
Area and coordinates: N/A
Housing: N/A

Steps:
1. Craft ALC Housing (1) items: Corner Hedge Partition or Hedge Patition
2. Unable to desynthesize either-- Not entirely certain if this is intended behavior as all items within the ALC Housing (1) crafting log aside from these 2 are desynthesizable o: