Fatal error: Uncaught Error: Call to undefined function add_action() in /usr/home/taiyang3690/domains/chinafastener.site/public_html/wp-content/plugins/hello.php:69
Stack trace:
#0 {main}
  thrown in /usr/home/taiyang3690/domains/chinafastener.site/public_html/wp-content/plugins/hello.php on line 69