AtlasOfLivingAustralia/biocollect#1248 :

 removed UrlMappings pattern "/"

Author: temi

grails-app/controllers/ecodata/client/plugin/UrlMappings.groovy

@@ -16,10 +16,6 @@ class UrlMappings {
             controller = 'preview'
             action = 'imagePreview'
         }
-        "/" {
-            controller = 'preview'
-            action = [GET: 'index', POST: 'model']
-        }
         "500"(view:'/error')
     }
 }