Assigned group dropdown not populating values

[bmscmoreira]

When creating / editing a task, the "Assigned Group" dropdown does not populate with existing group, showing only "Unassigned".
Tested with a clean and latest install of Kanboard + Group_assign plugin.

"Other assignees" works as expected.

Only hint I get from my browser are 2 errors:
"A form field element should have an id or name attribute"
"Incorrect use of

If I uninstall the plugin, I get just one error (same).

Details of my installation:

Application version: 1.2.38
PHP version: 8.2.22
PHP SAPI: litespeed
HTTP Client: cURL
OS version: Linux 3.10.0-962.3.2.lve1.5.77.el7.x86_64
Database driver: mysql
Database version: 10.3.39-MariaDB
Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Group_assign version is 1.8.2.