Jen-D The issue is now that when the user clicks on the home icon in the JS toolbar they receive this error message
0 Call to a member function getAllPages() on bool
Updates : I checked site you are using non Compatible Jomsocial version on Joomla 3.10, kindly do the upgrades first as shared in private tickets with steps.
About the Error on the Home icon
Kindly check on dev site as it redirect me to Profile member page without any error with give logins.