03 Dec How do I import the PSIA-NW calendar into the Portal calendar. I get a security block. Questions › Category: School Pro Sites › How do I import the PSIA-NW calendar into the Portal calendar. I get a security block. 0 Vote Up Vote Down Mike Peters asked 7 years ago When trying to upload the calendar there is a security block. 1 Answers 0 Vote Up Vote Down Tyler Barnes Staff answered 7 years ago Did you finally figure this out? I’ll need some more information on what you are trying to do. Are you uploading a file? Certain file types may not be uploaded to your site.