Fatal error: Uncaught Error: Call to undefined function determine_locale() in /var/www/clients/client31/web45/web/wp-content/plugins/the-post-grid/app/RtTpg.php:189
Stack trace:
#0 /var/www/clients/client31/web45/web/wp-content/plugins/the-post-grid/app/RtTpg.php(171): RtTpg->load_language()
#1 /var/www/clients/client31/web45/web/wp-includes/class-wp-hook.php(298): RtTpg->init_hooks('')
#2 /var/www/clients/client31/web45/web/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array)
#3 /var/www/clients/client31/web45/web/wp-includes/plugin.php(453): WP_Hook->do_action(Array)
#4 /var/www/clients/client31/web45/web/wp-settings.php(449): do_action('init')
#5 /var/www/clients/client31/web45/web/wp-config.php(89): require_once('/var/www/client...')
#6 /var/www/clients/client31/web45/web/wp-load.php(37): require_once('/var/www/client...')
#7 /var/www/clients/client31/web45/web/wp-blog-header.php(13): require_once('/var/www/client...')
#8 /var/www/clients/client31/web45/web/index.php(17): require('/var/www/client... in /var/www/clients/client31/web45/web/wp-content/plugins/the-post-grid/app/RtTpg.php on line 189