PHP errors with debug mode

Notice: Use of undefined constant add_shortcode – assumed ‘add_shortcode’ in /wordpress/wp-content/plugins/stray-quotes/stray_quotes.php on line 615

Notice: Undefined variable: where in /wordpress/wp-content/plugins/stray-quotes/inc/stray_functions.php on line 579

Notice: Undefined index: bulk in /wordpress/wp-content/plugins/stray-quotes/inc/stray_manage.php on line 265

etc

etc