Please follow the instructions located on the SEAS Comsol wiki.
Also, please ensure that you are part of the seas group when logged into Odyssey:
[jharvard@holylogin01 ~]$ id
uid=21442(jharvard) gid=10483(jharvard_lab) groups=10483(jharvard_lab),40227(mcfee_lab),403212(cluster_users_2),34739(seas)
If you are sponsored by a faculty member listed on the SEAS Faculty page but do not have seas group membership please fill out a RT Help Ticket.