Error installing ttrss-proxy-http plugin

Are you using stock Docker compose setup?
Yes, completely stock.

Describe the problem you’re having:
Trying to install the ttrss-proxy-http plugin fails. Hangs at ‘Installing ttrss-proxy-http, please wait…’

Include steps to reproduce the problem:

  • Log in as Admin
  • Go to Preferences - Plugins - ‘Install Plugin’
  • Click ‘Install’ for ‘ttrss-proxy-http’

tt-rss version (including git commit id):
Tiny Tiny RSS v21.03-c0fba62fa

Platform (i.e. Linux distro, PHP, PostgreSQL, etc) versions:
Ubuntu 20.10, everything else as per docker-compose.

Please provide any additional information below:
Error message:
classes/pref/prefs.php:1141

Uncaught Error: Call to undefined function token_get_all() in /var/www/html/tt-rss/classes/pref/prefs.php:1141
Stack trace:
#0 /var/www/html/tt-rss/classes/pref/prefs.php(1208): Pref_Prefs->_get_class_name_from_file()
#1 /var/www/html/tt-rss/backend.php(133): Pref_Prefs->installPlugin()
#2 {main}
thrown

Real IP: 49.255.105.213
Forwarded For: 49.255.105.213
Forwarded Protocol: https
Remote IP: 172.18.0.1
Request URI: /tt-rss/backend.php
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0

update docker scripts and rebuild your image.

That did the trick. Thanks!