Fixed error that is thrown when trying to include an element in DS that does not exist in the array of fields. [Closes Issue #300]
Fixed error that is thrown when trying to include an element in DS that does not exist in the array of fields. [Closes Issue #300]

alexnantel88/symphony-2,bauhouse/sym-intranet,symphonycms/sym-getsymphony,rzantolas/Symphony-Test,Titch/Symph-test,Titch/Symph-test,jdsimcoe/symphony-boilerplate,jurajkapsz/symphony-2,bauhouse/members-forms-ensemble,davjand/Checkout-Ensemble,thebestsophist/personal-health-diary,bauhouse/sym-todo-list,ayellowraven/projectplaten,yojeek/sym-community,benesch/hilton-unar,BloodBrother/symphony-2,jurajkapsz/symphony-2,henrysingleton/litmusk,wastemobile/Symphony2.3.6,bauhouse/sym-form-builder,avanteweb/symphony-2,bauhouse/sym-pears,ahwayakchih/symphony-2,bauhouse/Piano-Sonata,BloodBrother/symphony-2,builders/sym-bootstrap,jonmifsud/symphony-2,DavidForster/symphony-2,bauhouse/members-forms-ensemble,symphonycms/sym-getsymphony,nils-werner/Bugaroo,johnpuddephatt/symphony-2,bauhouse/sym-pagoda,symphonycms/symphony-2,michael-e/symphony-2,NikoMostWanted/symphony-2,bauhouse/sym-pears,bauhouse/sym-intranet,bauhouse/Bugaroo,builders/collective,scottkf/nicholscommunications,avanteweb/symphony-2,tachyondecay/symphony-2,mazedigital/jcilearn,benesch/hilton-unar,chay83/Symphony-Shopping-Cart-Ensemble,jdsimcoe/symphony-boilerplate,brendo/symphony-2,jonmifsud/symphony-2,ljonka/symphony-2,wastemobile/Symphony2.3.6,roshinebagha/Symphony-Test,alexnantel88/symphony-2,blaXXabla/projet_test_symphony,allen/auth.getsymphony.com,domain7/sym-cumulus,bauhouse/Piano-Sonata,blaXXabla/projet_test_symphony,rzantolas/Symphony-Test,eliksir/norske-webapps,DavidForster/symphony-2,tachyondecay/symphony-2,bauhouse/sym-todo-list,allen/auth.getsymphony.com,symphonycms/symphony-2,builders/sym-bauhouse-ensemble,johnpuddephatt/symphony-2,yojeek/sym-community,michael-e/symphony-2,astudio/remixhair,chay83/Symphony-Shopping-Cart-Ensemble,DeuxHuitHuit/symphony-2,astudio/remixhair,davjand/Checkout-Ensemble,brendo/symphony-2,mazedigital/jcilearn,builders/designadmin,jdsimcoe/symphony-boilerplate,DeuxHuitHuit/symphony-2,bauhouse/Bugaroo,bauhouse/sym-forum,henrysingleton/litmusk,ayellowraven/projectplaten,builders/collective,TheJester12/issueprompt,thebestsophist/personal-health-diary,jensscherbl/symphony,ljonka/symphony-2,mazedigital/jcilearn,scottkf/nicholscommunications,TheJester12/issueprompt,psychoticmeow/symphony-2,ahwayakchih/symphony-2,NikoMostWanted/symphony-2,roshinebagha/Symphony-Test,jdsimcoe/symphony-boilerplate,eliksir/norske-webapps,twiro/symphony-2,jensscherbl/symphony,builders/sym-bootstrap,eliksir/norske-webapps,psychoticmeow/symphony-2,TheJester12/issueprompt,nils-werner/Bugaroo,twiro/symphony-2,scottkf/keepflippin--on-symphony,pixelninja/imagick_effects,bauhouse/sym-pagoda