When loading an older structure block containing a chest in 1.21.3, it adds a lock component with an empty custom name to its data, making it impossible to open. I attached an example structure nbt.
When loading an older structure block containing a chest in 1.21.3, it adds a lock component with an empty custom name to its data, making it impossible to open. I attached an example structure nbt.
This ticket might be a duplicate of MC-277916.