[Bug]: An unhandled error occurred. (Serial connection, Windows 11)

[sebder]

Before submitting

• I have searched existing issues to make sure this bug hasn't already been reported
• I have updated to the latest version of the software to verify the issue still exists
• I have cleared cache/cookies/storage or tried in a private/incognito window (if applicable)

Hardware

Heltec V3

Connection Type

Serial

Local or Hosted

https://client.meshtastic.org

Firmware Version

2.7.15

Operating System

Windows 11

Browser

Chrome 143.0.7499.193

Expected Behavior

I expected the messaging interface to load after selecting a device on the serial device selection.

Actual Behavior

Error page after device selection (whether existing or new device, same result)

Steps to Reproduce

1. go to https://client.meshtastic.org/
2. click on New Connection
3. click on Serial tab
4. Select existing device

OR

1. go to https://client.meshtastic.org/
2. click on New Connection
3. click on Serial tab
4. click on New Device
5. select "CP2102 USB to UART Bridge Controller (COM5) associé" and validate
6. click on new device

OR

1. go to https://client.meshtastic.org/
2. click on New Connection
3. click on Serial tab
4. click on New Device
5. select "CP2102 USB to UART Bridge Controller (COM5) associé" and validate
6. click on old existing device

Relevant console output

TypeError: Cannot read properties of undefined (reading 'num')
    at G (https://client.meshtastic.org/index-9RHnKvRw.js:642:172390)
    at GL (https://client.meshtastic.org/index-9RHnKvRw.js:643:387)
    at Fb (https://client.meshtastic.org/index-9RHnKvRw.js:100:48430)
    at cv (https://client.meshtastic.org/index-9RHnKvRw.js:100:71296)
    at YA (https://client.meshtastic.org/index-9RHnKvRw.js:100:81687)
    at A_ (https://client.meshtastic.org/index-9RHnKvRw.js:100:117553)
    at H6 (https://client.meshtastic.org/index-9RHnKvRw.js:100:116593)
    at Iv (https://client.meshtastic.org/index-9RHnKvRw.js:100:116423)
    at y_ (https://client.meshtastic.org/index-9RHnKvRw.js:100:113196)
    at B_ (https://client.meshtastic.org/index-9RHnKvRw.js:100:125189)

Screenshots

Additional Context

I used the client successfully with 2 different devices in the last 24h.