وَعَلَى الْمُحْصَرِ بِالْعُمْرَةِ: الْقَضَاءُ.
Translation: The person obstructed from Umrah must make it up.
When a pilgrim started Umrah and then lawfully exited due to obstruction, makeup of the Umrah remains due.
Do not attach a Hajj obligation to this clause: its stated subject is the person obstructed from Umrah.