Could not create a new document because Permission denied (13) while creating

Hi,

I just installed PT 11. I tried starting a new session and am getting this message-

Could not create a new document because Permission denied (13) while creating "smsjan2015".

(smsJan2015 is the session name i want to create)

I looked at another thread addressing this but it does not apply to me. I am on Mac(see all details below).

THanks

Chris