Adds 'error' to list of valid keys in link_to_delete. [Fixes #1169]
Adds 'error' to list of valid keys in link_to_delete. [Fixes #1169]

Hates/spree,ayb/spree,berkes/spree,lyzxsc/spree,orenf/spree,watg/spree,ckk-scratch/solidus,Senjai/solidus,shaywood2/spree,athal7/solidus,TimurTarasenko/spree,Boomkat/spree,net2b/spree,tomash/spree,vinsol/spree,SadTreeFriends/spree,sunny2601/spree,piousbox/spree,dandanwei/spree,bjornlinder/Spree,vcavallo/spree,PhoenixTeam/spree_phoenix,Hawaiideveloper/shoppingcart,lzcabrera/spree-1-3-stable,archSeer/spree,brchristian/spree,imella/spree,derekluo/spree,priyank-gupta/spree,abhishekjain16/spree,tomash/spree,JuandGirald/spree,kitwalker12/spree,useiichi/spree,DarkoP/spree,jparr/spree,calvinl/spree,radarseesradar/spree,ramkumar-kr/spree,miyazawatomoka/spree,jordan-brough/solidus,ujai/spree,edgward/spree,ckk-scratch/solidus,jparr/spree,derekluo/spree,odk211/spree,surfdome/spree,alepore/spree,groundctrl/spree,maybii/spree,devilcoders/solidus,kitwalker12/spree,progsri/spree,jaspreet21anand/spree,CJMrozek/spree,yushine/spree,vulk/spree,AgilTec/spree,judaro13/spree-fork,ramkumar-kr/spree,dandanwei/spree,dafontaine/spree,adaddeo/spree,azclick/spree,jasonfb/spree,grzlus/solidus,trigrass2/spree,lsirivong/spree,jsurdilla/solidus,tailic/spree,omarsar/spree,zaeznet/spree,SadTreeFriends/spree,forkata/solidus,shekibobo/spree,Senjai/spree,ramkumar-kr/spree,tancnle/spree,ckk-scratch/solidus,bricesanchez/spree,jhawthorn/spree,fahidnasir/spree,azranel/spree,reinaris/spree,codesavvy/sandbox,mleglise/spree,reidblomquist/spree,APohio/spree,delphsoft/spree-store-ballchair,codesavvy/sandbox,scottcrawford03/solidus,lzcabrera/spree-1-3-stable,FadliKun/spree,CJMrozek/spree,priyank-gupta/spree,Lostmyname/spree,firman/spree,PhoenixTeam/spree_phoenix,njerrywerry/spree,kewaunited/spree,caiqinghua/spree,PhoenixTeam/spree_phoenix,reidblomquist/spree,xuewenfei/solidus,karlitxo/spree,Engeltj/spree,calvinl/spree,archSeer/spree,zamiang/spree,piousbox/spree,bonobos/solidus,yiqing95/spree,rakibulislam/spree,raow/spree,LBRapid/spree,azranel/spree,Engeltj/spree,RatioClothing/spree,ujai/spree,joanblake/spree,omarsar/spree,assembledbrands/spree,gautamsawhney/spree,AgilTec/spree,sideci-sample/sideci-sample-spree,gregoryrikson/spree-sample,net2b/spree,HealthWave/spree,pervino/solidus,keatonrow/spree,mindvolt/spree,forkata/solidus,grzlus/spree,ckk-scratch/solidus,richardnuno/solidus,lyzxsc/spree,reidblomquist/spree,JDutil/spree,edgward/spree,urimikhli/spree,lsirivong/spree,thogg4/spree,APohio/spree,Machpowersystems/spree_mach,Senjai/solidus,gregoryrikson/spree-sample,dotandbo/spree,beni55/spree,AgilTec/spree,gautamsawhney/spree,Ropeney/spree,miyazawatomoka/spree,joanblake/spree,NerdsvilleCEO/spree,gregoryrikson/spree-sample,thogg4/spree,calvinl/spree,camelmasa/spree,raow/spree,vinayvinsol/spree,azranel/spree,net2b/spree,abhishekjain16/spree,lsirivong/solidus,assembledbrands/spree,alvinjean/spree,mleglise/spree,jsurdilla/solidus,sunny2601/spree,pervino/solidus,FadliKun/spree,calvinl/spree,dafontaine/spree,athal7/solidus,trigrass2/spree,lsirivong/solidus,derekluo/spree,grzlus/spree,robodisco/spree,zamiang/spree,Migweld/spree,shekibobo/spree,bonobos/solidus,dandanwei/spree,progsri/spree,quentinuys/spree,moneyspyder/spree,Senjai/solidus,madetech/spree,carlesjove/spree,sfcgeorge/spree,alepore/spree,quentinuys/spree,Hawaiideveloper/shoppingcart,degica/spree,DarkoP/spree,shioyama/spree,azclick/spree,alvinjean/spree,priyank-gupta/spree,vinayvinsol/spree,pulkit21/spree,orenf/spree,siddharth28/spree,hoanghiep90/spree,raow/spree,softr8/spree,omarsar/spree,net2b/spree,sfcgeorge/spree,hifly/spree,odk211/spree,siddharth28/spree,LBRapid/spree,progsri/spree,NerdsvilleCEO/spree,groundctrl/spree,ahmetabdi/spree,woboinc/spree,zaeznet/spree,cutefrank/spree,shekibobo/spree,Antdesk/karpal-spree,Nevensoft/spree,welitonfreitas/spree,CiscoCloud/spree,shaywood2/spree,patdec/spree,Ropeney/spree,lsirivong/solidus,Kagetsuki/spree,volpejoaquin/spree,Migweld/spree,Mayvenn/spree,edgward/spree,StemboltHQ/spree,kewaunited/spree,radarseesradar/spree,volpejoaquin/spree,biagidp/spree,scottcrawford03/solidus,devilcoders/solidus,jordan-brough/spree,sideci-sample/sideci-sample-spree,project-eutopia/spree,forkata/solidus,RatioClothing/spree,keatonrow/spree,urimikhli/spree,JuandGirald/spree,softr8/spree,Lostmyname/spree,HealthWave/spree,beni55/spree,madetech/spree,yiqing95/spree,Machpowersystems/spree_mach,hifly/spree,FadliKun/spree,lzcabrera/spree-1-3-stable,sliaquat/spree,imella/spree,jordan-brough/spree,TimurTarasenko/spree,carlesjove/spree,adaddeo/spree,Mayvenn/spree,project-eutopia/spree,vmatekole/spree,yushine/spree,Hawaiideveloper/shoppingcart,radarseesradar/spree,Boomkat/spree,kitwalker12/spree,lsirivong/solidus,xuewenfei/solidus,alejandromangione/spree,xuewenfei/solidus,CJMrozek/spree,alejandromangione/spree,builtbybuffalo/spree,tesserakt/clean_spree,vulk/spree,JuandGirald/spree,trigrass2/spree,Migweld/spree,jparr/spree,surfdome/spree,mleglise/spree,caiqinghua/spree,dafontaine/spree,jimblesm/spree,odk211/spree,tailic/spree,sliaquat/spree,dotandbo/spree,NerdsvilleCEO/spree,firman/spree,Hawaiideveloper/shoppingcart,vinsol/spree,pervino/spree,Ropeney/spree,jordan-brough/solidus,fahidnasir/spree,wolfieorama/spree,reinaris/spree,bjornlinder/Spree,wolfieorama/spree,pervino/spree,berkes/spree,cutefrank/spree,builtbybuffalo/spree,njerrywerry/spree,biagidp/spree,CiscoCloud/spree,tesserakt/clean_spree,useiichi/spree,biagidp/spree,gautamsawhney/spree,imella/spree,lsirivong/spree,Nevensoft/spree,lyzxsc/spree,freerunningtech/spree,Kagetsuki/spree,vcavallo/spree,TrialGuides/spree,welitonfreitas/spree,surfdome/spree,agient/agientstorefront,DarkoP/spree,TrialGuides/spree,Lostmyname/spree,Hates/spree,FadliKun/spree,maybii/spree,KMikhaylovCTG/spree,DynamoMTL/spree,hoanghiep90/spree,softr8/spree,Lostmyname/spree,woboinc/spree,TimurTarasenko/spree,siddharth28/spree,shaywood2/spree,kewaunited/spree,tomash/spree,ayb/spree,caiqinghua/spree,tomash/spree,rakibulislam/spree,JDutil/spree,jhawthorn/spree,patdec/spree,azclick/spree,piousbox/spree,agient/agientstorefront,bonobos/solidus,Engeltj/spree,tancnle/spree,vmatekole/spree,pjmj777/spree,Mayvenn/spree,welitonfreitas/spree,knuepwebdev/FloatTubeRodHolders,jimblesm/spree,Kagetsuki/spree,pervino/spree,vmatekole/spree,gregoryrikson/spree-sample,karlitxo/spree,mleglise/spree,grzlus/spree,pulkit21/spree,caiqinghua/spree,adaddeo/spree,jeffboulet/spree,delphsoft/spree-store-ballchair,Kagetsuki/spree,jordan-brough/spree,project-eutopia/spree,bricesanchez/spree,piousbox/spree,siddharth28/spree,vinayvinsol/spree,tesserakt/clean_spree,thogg4/spree,freerunningtech/spree,keatonrow/spree,edgward/spree,lsirivong/spree,pulkit21/spree,vmatekole/spree,alejandromangione/spree,welitonfreitas/spree,robodisco/spree,richardnuno/solidus,locomotivapro/spree,azclick/spree,progsri/spree,sliaquat/spree,fahidnasir/spree,degica/spree,DynamoMTL/spree,priyank-gupta/spree,Machpowersystems/spree_mach,jaspreet21anand/spree,scottcrawford03/solidus,TrialGuides/spree,APohio/spree,groundctrl/spree,zaeznet/spree,sfcgeorge/spree,DynamoMTL/spree,miyazawatomoka/spree,azranel/spree,locomotivapro/spree,joanblake/spree,Migweld/spree,dafontaine/spree,fahidnasir/spree,ujai/spree,jeffboulet/spree,mindvolt/spree,pulkit21/spree,Arpsara/solidus,rajeevriitm/spree,berkes/spree,abhishekjain16/spree,orenf/spree,SadTreeFriends/spree,cutefrank/spree,forkata/solidus,omarsar/spree,jimblesm/spree,raow/spree,APohio/spree,alvinjean/spree,LBRapid/spree,jaspreet21anand/spree,agient/agientstorefront,moneyspyder/spree,shioyama/spree,karlitxo/spree,bjornlinder/Spree,Arpsara/solidus,CiscoCloud/spree,jeffboulet/spree,maybii/spree,sliaquat/spree,kewaunited/spree,RatioClothing/spree,yushine/spree,richardnuno/solidus,StemboltHQ/spree,rajeevriitm/spree,judaro13/spree-fork,maybii/spree,judaro13/spree-fork,athal7/solidus,robodisco/spree,hoanghiep90/spree,volpejoaquin/spree,grzlus/spree,jasonfb/spree,Engeltj/spree,Hates/spree,hifly/spree,firman/spree,alepore/spree,ahmetabdi/spree,camelmasa/spree,quentinuys/spree,rajeevriitm/spree,Boomkat/spree,scottcrawford03/solidus,shekibobo/spree,brchristian/spree,quentinuys/spree,grzlus/solidus,AgilTec/spree,athal7/solidus,bonobos/solidus,robodisco/spree,Senjai/spree,camelmasa/spree,pervino/solidus,zaeznet/spree,freerunningtech/spree,dandanwei/spree,patdec/spree,CJMrozek/spree,rbngzlv/spree,yomishra/pce,useiichi/spree,builtbybuffalo/spree,useiichi/spree,jsurdilla/solidus,nooysters/spree,NerdsvilleCEO/spree,patdec/spree,hoanghiep90/spree,madetech/spree,watg/spree,njerrywerry/spree,keatonrow/spree,JDutil/spree,vcavallo/spree,yiqing95/spree,radarseesradar/spree,yiqing95/spree,ahmetabdi/spree,ramkumar-kr/spree,HealthWave/spree,nooysters/spree,rajeevriitm/spree,moneyspyder/spree,knuepwebdev/FloatTubeRodHolders,rakibulislam/spree,reinaris/spree,devilcoders/solidus,rakibulislam/spree,CiscoCloud/spree,nooysters/spree,mindvolt/spree,hifly/spree,thogg4/spree,miyazawatomoka/spree,pervino/solidus,locomotivapro/spree,jhawthorn/spree,jparr/spree,jordan-brough/solidus,joanblake/spree,moneyspyder/spree,Senjai/spree,jspizziri/spree,grzlus/solidus,yushine/spree,yomishra/pce,tancnle/spree,vinayvinsol/spree,agient/agientstorefront,project-eutopia/spree,beni55/spree,ahmetabdi/spree,softr8/spree,Senjai/solidus,cutefrank/spree,jspizziri/spree,vinsol/spree,Nevensoft/spree,odk211/spree,TimurTarasenko/spree,ayb/spree,Antdesk/karpal-spree,derekluo/spree,jeffboulet/spree,locomotivapro/spree,assembledbrands/spree,jordan-brough/solidus,yomishra/pce,jspizziri/spree,volpejoaquin/spree,abhishekjain16/spree,Ropeney/spree,groundctrl/spree,alejandromangione/spree,berkes/spree,degica/spree,brchristian/spree,reidblomquist/spree,devilcoders/solidus,DynamoMTL/spree,watg/spree,vulk/spree,PhoenixTeam/spree_phoenix,delphsoft/spree-store-ballchair,pjmj777/spree,wolfieorama/spree,jimblesm/spree,archSeer/spree,builtbybuffalo/spree,pjmj777/spree,beni55/spree,codesavvy/sandbox,tancnle/spree,KMikhaylovCTG/spree,Boomkat/spree,xuewenfei/solidus,alvinjean/spree,brchristian/spree,JuandGirald/spree,StemboltHQ/spree,Antdesk/karpal-spree,madetech/spree,jasonfb/spree,ayb/spree,vcavallo/spree,Arpsara/solidus,zamiang/spree,vulk/spree,codesavvy/sandbox,mindvolt/spree,gautamsawhney/spree,nooysters/spree,Mayvenn/spree,jaspreet21anand/spree,adaddeo/spree,dotandbo/spree,shaywood2/spree,rbngzlv/spree,shioyama/spree,vinsol/spree,KMikhaylovCTG/spree,rbngzlv/spree,bricesanchez/spree,knuepwebdev/FloatTubeRodHolders,wolfieorama/spree,woboinc/spree,JDutil/spree,KMikhaylovCTG/spree,jsurdilla/solidus,grzlus/solidus,jspizziri/spree,zamiang/spree,tailic/spree,sunny2601/spree,pervino/spree,Hates/spree,tesserakt/clean_spree,sideci-sample/sideci-sample-spree,sfcgeorge/spree,sunny2601/spree,rbngzlv/spree,carlesjove/spree,trigrass2/spree,njerrywerry/spree,TrialGuides/spree,delphsoft/spree-store-ballchair,orenf/spree,dotandbo/spree,camelmasa/spree,urimikhli/spree,jasonfb/spree,Nevensoft/spree,richardnuno/solidus,lyzxsc/spree,surfdome/spree,Arpsara/solidus,carlesjove/spree,DarkoP/spree,archSeer/spree,firman/spree,karlitxo/spree,SadTreeFriends/spree,reinaris/spree