Fatal error: Uncaught Error: Call to undefined function is_user_logged_in() in /home/tcalculu/pmtdemo.tcalculus.com/wp-cont/pmt.tcalculus.com/wp-content/pluginsent/plugins/wc-multivendor-membership/templates/vendor_registration.php:26 Stack trace: #0 {main} thrown in /home/tcalculu/pmtdemo.tcalculus.com/wp-cont/pmt.tcalculus.com/wp-content/pluginsent/plugins/wc-multivendor-membership/templates/vendor_registration.php on line 26