I get several errors with CoursePress Pro. I get several

I get several errors with CoursePress Pro.

I get several error with CoursePress Pro :

Notice: Undefined index: post_type in /var/www/tutotips.fr/public_html/wp-content/plugins/marketpress/includes/admin/class-mp-orders-admin.php on line 1172

Notice: Undefined index: post_type in /var/www/tutotips.fr/public_html/wp-content/plugins/marketpress/includes/admin/class-mp-orders-admin.php on line 1153

Notice: Undefined index: post_type in /var/www/tutotips.fr/public_html/wp-content/plugins/marketpress/includes/admin/class-mp-orders-admin.php on line 1194

Are you still supporting this plugin or should I move to LearnDash or another plugin ?

Regards,

Frédéric