In Garden Warfare 2 I accidentally opened all the zombie portals

A long time ago I had a glitch that let me open all of the zombie portals before completing the quests from the zombies. currently I have to quest to open another portal but there is no portal to open. I can make it into the secret lab but the person that gives you the quests there does not spawn in so I can't progress. I started to do infinity time on plants and i would like to do it on zombies but i cant so if anyone has a fix (that does not reset my character unlocks) please let me know!