Group Invite not working

Hey,

I’m having a weird issue, where the group invites not working anymore when this plugin is activated.
I already tried to resolve this on the BuddyPress forum, but nobody seems to have an answer so far. Here is the Link with a detailed description of the problem:
https://buddypress.org/support/topic/bug-membership-list-in-groups-does-not-show/#post-275641

thanks a lot in advance