After closing the gray modal background remains


I`m using Meteor and Materialize. Repo. On hosting.

After closing modal, gray background not disappear! You can check it on Group page. You must create group first, then click "Add participant" and close. You`ll see it. About modals on documentation you can find at Today I create "Leave/delete group" button with the same modal, and I still face with this bug. Help me please

Due to limitation, I can post just 2 links. Ask if something is not clear

You can use jQuery to hide it when its supposed to hide.


Also, for closing modals the code is