Thanks for the one star rant on poor support.
It seems you missed the "Important announcement" that support was off yesterday.
http://prntscr.com/8uchld
Secondly : The issue in question is not related to theme but with buddypress or server settings. WPLMS can not/does not modify default BuddyPress behaviour.
Lastly : The section is working properly, you need to enter the first "password" field to make any changes in the User password or User email. Again this is not defined/controlled/coded by us.
refer screenshot :
http://prntscr.com/8ucijm