Cannot post forms in Scrapebox

I am trying to post to 31k forms in Scrapebox, error log produces the following errors:

11/12/2017 3:54:48 PM: HTTP: 403 Forbidden, SOCKET: , URL: http://www.houseofmagnets.com/football/index1.aspx?team=Raiders
11/12/2017 3:54:51 PM: HTTP: 200 OK, SOCKET: , URL: https://www.dickssportinggoods.com/c/nfl-fan-shop, Description: Redirect
11/12/2017 3:54:54 PM: HTTP: 500 , SOCKET: Connection timed out, URL:…

Cannot post forms in Scrapebox