Looks like structured variables does not support )save + )load

[Christian Robert]

$ apl -L new

SAVED 2020-12-14 04:19:00 (GMT-5)
      p.age ← 32
      p.name ← "Christian Robert"
      p.address ← "Quebec"
      )copy Util D
SAVED 2020-12-13 14:55:19 (GMT-5)
      D p
┌2───────────────────────────┐
8    ┌3──┐                 32│
│    │age│                   │
│    └───┘                   │
│   ┌4───┐ ┌16──────────────┐│
│   │name│ │Christian Robert││
│   └────┘ └────────────────┘│
│┌7──────┐           ┌6─────┐│
││address│           │Quebec││
│└───────┘           └──────┘│
│        0                  0│
│        0                  0│
│        0                  0│
│        0                  0│
│        0                  0│
└∊───────────────────────────┘
      p
.age: 32

.name: ┌→───────────────┐
       │Christian Robert│
       └────────────────┘

.address: ┌→─────┐
          │Quebec│
          └──────┘

      )save
2020-12-14  04:21:02 (GMT-5) new
      )load new
SAVED 2020-12-14 04:21:02 (GMT-5)
      p
     age               32
    name Christian Robert
 address           Quebec
       0                0
       0                0
       0                0
       0                0
       0                0
      D p
┌2───────────────────────────┐
8    ┌3──┐                 32│
│    │age│                   │
│    └───┘                   │
│   ┌4───┐ ┌16──────────────┐│
│   │name│ │Christian Robert││
│   └────┘ └────────────────┘│
│┌7──────┐           ┌6─────┐│
││address│           │Quebec││
│└───────┘           └──────┘│
│        0                  0│
│        0                  0│
│        0                  0│
│        0                  0│
│        0                  0│
└∊───────────────────────────┘
      p.age
DOMAIN ERROR+
      p.age
       ^^