Poseidon Theme Fatal Error

[mikethicke]

NOTICE: PHP message: PHP Fatal error:  Uncaught Error: Undefined constant "FS_CHMOD_DIR" in /app/site/web/app/themes/poseidon/inc/wptt-webfont-loader.php:447
Stack trace:
#0 /app/site/web/app/themes/poseidon/inc/wptt-webfont-loader.php(147): WPTT_WebFont_Loader->write_stylesheet()
#1 /app/site/web/app/themes/poseidon/inc/wptt-webfont-loader.php(669): WPTT_WebFont_Loader->get_url()
172.17.0.3 -  02/Jan/2025:15:11:45 +0000 "GET /index.php" 200
#2 /app/site/web/app/themes/poseidon/functions.php(186): wptt_get_webfont_url('https://fonts.g...')
#3 /app/site/web/wp/wp-includes/class-wp-hook.php(308): poseidon_theme_fonts('')
#4 /app/site/web/wp/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#5 /app/site/web/wp/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#6 /app/site/web/wp/wp-includes/script-loader.php(2194): do_action('wp_enqueue_scri...')
#7 /app/site/web/wp/wp-includes/class-wp-hook.php(308): wp_enqueue_scripts('')
#8 /app/site/web/wp/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#9 /app/site/web/wp/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#10 /app/site/web/wp/wp-includes/general-template.php(3049): do_action('wp_head')
#11 /app/site/web/app/themes/poseidon/header.php(19): wp_head()
#12 /app/site/web/wp/wp-includes/template.php(783): require_once('/app/site/web/a...')
#13 /app/site/web/wp/wp-includes/template.php(718): load_template('/app/site/web/a...', true, Array)
#14 /app/site/web/wp/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#15 /app/site/web/app/themes/poseidon/archive.php(10): get_header()
#16 /app/site/web/wp/wp-includes/template-loader.php(106): include('/app/site/web/a...')
#17 /app/site/web/wp/wp-blog-header.php(19): require_once('/app/site/web/w...')

Probably look to remove Poseidon theme