Go here:
https://support.garmin.com/support/searchSupport/case.faces?caseId=%7B9757a940-db40-11e1-dcef-000000000000%7D
Download the update to your computer and then run it. Will update Homeport to 2.1.1.
ps
I did not get Homeport on an SD card, I downloaded it directly from Garmin. Still had the same issue.