preload: cryptic error when device limit reached

[kd496]

---

Running balena preload when the free tier device limit has been reached (10/10) results in a cryptic error message.
Similar to #2335

Building Docker preloader image. [===                     ] 12%
Step 1/7 : FROM alpine:3.12
Building Docker preloader image. [======                  ] 25%
Step 2/7 : WORKDIR /usr/src/app
 ---> Using cache
Building Docker preloader image. [=========               ] 37%
Step 3/7 : RUN apk add --no-cache curl py3-pip parted btrfs-progs util-linux sfdisk file coreutils sgdisk e2fsprogs-extra docker
 ---> Using cache
Building Docker preloader image. [============            ] 50%
Step 4/7 : COPY requirements.txt ./
 ---> Using cache
Building Docker preloader image. [===============         ] 62%
Step 5/7 : RUN pip3 install --no-cache-dir -r requirements.txt
 ---> Using cache
Building Docker preloader image. [==================      ] 75%
Step 6/7 : COPY src/ ./
 ---> Using cache
Building Docker preloader image. [=====================   ] 87%
Step 7/7 : CMD ["python3", "/usr/src/app/preload.py"]
 ---> Using cache
 ---> 8e1b50e15128
Successfully built 8e1b50e15128
Building Docker preloader image. [========================] 100%
| Checking that the image is a writable file
| Finding a free tcp port
/ Creating preloader container
/ Starting preloader container
- Fetching application driifloat/driifloat-server
\ Reading image informationWaiting for Docker to start...
| Reading image informationDocker started
/ Reading image information
/ Fetching application 1945809
- Cleaning up temporary files
Cannot create property 'local' on string ''

TypeError: Cannot create property 'local' on string ''
    at Preloader._getState (/snapshot/balena-cli/node_modules/balena-preload/build/preload.js:285:25)
    at processTicksAndRejections (internal/process/task_queues.js:95:5)
From previous event:
    at Preloader.preload (/snapshot/balena-cli/node_modules/balena-preload/build/preload.js:656:25)
    at PreloadCmd.prepareAndPreload (/snapshot/balena-cli/build/commands/preload.js:318:25)
    at async PreloadCmd.run (/snapshot/balena-cli/build/commands/preload.js:127:13)
    at async PreloadCmd._run (/snapshot/balena-cli/node_modules/@oclif/command/lib/command.js:43:20)
    at async Config.runCommand (/snapshot/balena-cli/node_modules/@oclif/config/lib/config.js:175:24)
    at async CustomMain.run (/snapshot/balena-cli/node_modules/@oclif/command/lib/main.js:27:9)
    at async CustomMain._run (/snapshot/balena-cli/node_modules/@oclif/command/lib/command.js:43:20)
    at async /snapshot/balena-cli/build/app.js:76:13
    at async Promise.all (index 2)
    at async oclifRun (/snapshot/balena-cli/build/app.js:94:5)
    at async Object.run (/snapshot/balena-cli/build/app.js:107:9)
    at async run (/snapshot/balena-cli/bin/balena:20:2)

For further help or support, visit:
https://www.balena.io/docs/reference/balena-cli/#support-faq-and-troubleshooting

My full script:

#!/bin/sh
set -e

FLEET="my-fleet/name"
OS_VERSION="v2.98.33"
IMAGE="./images/aar05.img"
CONFIG="./config/prod.json"
WIFI_SSID="example_ssid"
WIFI_PSK="example_password"

mkdir -p images config
rm -f "$IMAGE" "$CONFIG"

balena os download raspberrypi4-64 --version "$OS_VERSION" --output "$IMAGE"

balena config generate --fleet "$FLEET" --output "$CONFIG" --network wifi --wifiSsid "$WIFI_SSID" --wifiKey "$WIFI_PSK" --version "$OS_VERSION" --appUpdatePollInterval 10

balena os configure "$IMAGE" --fleet "$FLEET" --config "$CONFIG"

balena preload "$IMAGE" --fleet "$FLEET" --commit latest --debug

balena-cli version "16.6.3"
balenaCloud
Node.js version "16.16.0"
Ubuntu 18.04.3 LTS x86_64