Ubuntu 24.04 - "SyntaxError: import declarations may only appear at top level of a module @ resource:///org/gnome/Shell/Extensions/js/misc/extensionUtils.js:4:0"

[jhberges]

Installed from extensions site onto an newly upgraded 24.04 Ubuntu installation.
(this machine was freshly installed in 2017, then followed the normal upgrade path).

Settings dialog (attempting to setup account data):

Copied from the dialog:

The settings of extension [email protected] had an error:

SyntaxError: import declarations may only appear at top level of a module @ resource:///org/gnome/Shell/Extensions/js/misc/extensionUtils.js:4:0

Stack trace:
  @file:///home/jhb/.local/share/gnome-shell/extensions/[email protected]/prefs.js:4:12
  _init/GLib.MainLoop.prototype.runAsync/</<@resource:///org/gnome/gjs/modules/core/overrides/GLib.js:266:34
  

$ uname -a 
Linux jhb-ThinkPad-T470s 6.8.0-35-generic #35-Ubuntu SMP PREEMPT_DYNAMIC Mon May 20 15:51:52 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
$  lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 24.04 LTS
Release:	24.04
Codename:	noble

System Details Report

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Report details

• Date generated: 2024-06-07 12:37:22

Hardware Information:

• Hardware Model: Lenovo ThinkPad T470s
• Memory: 24,0 GiB
• Processor: Intel® Core™ i7-7500U × 4
• Graphics: Intel® HD Graphics 620 (KBL GT2)
• Disk Capacity: 1,0 TB

Software Information:

• Firmware Version: N1WET74W (1.53 )
• OS Name: Ubuntu 24.04 LTS
• OS Build: (null)
• OS Type: 64-bit
• GNOME Version: 46
• Windowing System: X11
• Kernel Version: Linux 6.8.0-35-generic