Trying to add a new patron by entering Surname and click Save. Card Number leave blank since it is using auto-generated. The following error was thrown. Software error: Wrong CSRF token at /usr/share/koha/intranet/cgi-bin/members/memberentry.pl line 307.
I tested on master and the problem doesn't appear there, haven't tested in 18.05
I think I've had people having this same problem as well, but I've only heard sporadic reports.