update auth cookie settings

webcontroller/templates.go

@@ -64,7 +64,10 @@ func (wc *WebController) newTemplateData(w http.ResponseWriter, r *http.Request)
 			log.Debug("Session check for key '%s' failed: %s", key, err)
 
 			if err.Error() == "authentication_required" || err.Error() == "authentication_failed" {
-				// This key is invalid, delete it
+				// Disable API authentication
+				t.PixelAPI.APIKey = ""
+
+				// Remove the authentication cookie
 				log.Debug("Deleting invalid API key")
 				http.SetCookie(w, &http.Cookie{
 					Name:    "pd_auth_key",