1) I have a fresh wordpress install and fresh install of WP Project Mgr. Pro Ver. 1.2.2
I loaded the plugin, activated, input license. I then created category, created a test project, and then attempted to create a page to show on frontend of my website. I first tried creating a page with [cpm_calendar] and then with [cpm]. On both instances, the shortcode actually printed out [cpm] and [cpm_calendar] on the page. The shortcodes will not work. I completely deleted the wordpress install, and tried everything again with the same results.
I then tried installing WP Project Mgr Pro on another of my wordpress sites that is running woocommerce and other plugins using shortcodes. I got the same results. I could place your shortcode on the same page as another shortcode running and your shortcode would not run.
2)Because I installed and deleted wordpress and your plugin 3 times in trying to get it to work, I am now getting an error message “WP Project Manager Error: Pleae activate your copy” at the top of my dashboard although me plugin is activated and running. I believe this has to do with my license now showing 0 activations.