"/CMD_MULTI_SERVER: prop ssl is Boolean" gets spat out when you try to add a new server on the Multi Server Setup page.
Error message that shows in the notifications area is as follows:
Error
/CMD_MULTI_SERVER: prop ssl is Boolean
less than a minute
/admin/multi-server
Error message that shows in the notifications area is as follows:
Error
/CMD_MULTI_SERVER: prop ssl is Boolean
less than a minute
/admin/multi-server