Fatal error: Uncaught Error: Undefined constant "ABSPATH" in /home/imperfettolab/public_html/web/app/plugins/post-smtp/Postman/Extensions/MainWP-Child/includes/psmwp-init.php:53
Stack trace:
#0 /home/imperfettolab/public_html/web/app/plugins/post-smtp/Postman/Extensions/MainWP-Child/includes/psmwp-init.php(38): Post_SMTP_MainWP_Child->validate()
#1 /home/imperfettolab/public_html/web/app/plugins/post-smtp/Postman/Extensions/MainWP-Child/includes/psmwp-init.php(21): Post_SMTP_MainWP_Child->__construct()
#2 /home/imperfettolab/public_html/web/app/plugins/post-smtp/Postman/Extensions/MainWP-Child/mainwp-child.php(13): Post_SMTP_MainWP_Child::get_instance()
#3 /home/imperfettolab/public_html/web/app/plugins/post-smtp/Postman/Extensions/MainWP-Child/mainwp-child.php(17): load_post_smtp_for_mainwp_child()
#4 {main}
thrown in /home/imperfettolab/public_html/web/app/plugins/post-smtp/Postman/Extensions/MainWP-Child/includes/psmwp-init.php on line 53