Fatal error: Uncaught Error: Using $this when not in object context in /wp-content/plugins/taxonomy-terms-order/taxonomy-terms-order.php:136
Stack trace:
#0 /wp-settings.php(273): include_once()
#1 /wp-config.php(85): require_once('/wp-settings.ph...')
#2 /wp-load.php(39): require_once('/wp-config.php')
#3 /wp-blog-header.php(13): require_once('/wp-load.php')
#4 /index.php(17): require('/wp-blog-header...')
#5 {main}
thrown in /wp-content/plugins/taxonomy-terms-order/taxonomy-terms-order.php on line 136