backends: Fix some slightly confusing error messages.
backends: Fix some slightly confusing error messages.

Galexrt/zulip,jrowan/zulip,SmartPeople/zulip,isht3/zulip,SmartPeople/zulip,zulip/zulip,vaidap/zulip,amanharitsh123/zulip,shubhamdhama/zulip,aakash-cr7/zulip,showell/zulip,blaze225/zulip,andersk/zulip,verma-varsha/zulip,j831/zulip,andersk/zulip,timabbott/zulip,PhilSk/zulip,dawran6/zulip,susansls/zulip,rishig/zulip,Diptanshu8/zulip,amanharitsh123/zulip,andersk/zulip,eeshangarg/zulip,punchagan/zulip,SmartPeople/zulip,synicalsyntax/zulip,showell/zulip,eeshangarg/zulip,susansls/zulip,dattatreya303/zulip,aakash-cr7/zulip,jrowan/zulip,amanharitsh123/zulip,amanharitsh123/zulip,Galexrt/zulip,hackerkid/zulip,rishig/zulip,shubhamdhama/zulip,sonali0901/zulip,jrowan/zulip,souravbadami/zulip,hackerkid/zulip,blaze225/zulip,brockwhittaker/zulip,jackrzhang/zulip,christi3k/zulip,dhcrzf/zulip,zulip/zulip,PhilSk/zulip,susansls/zulip,vaidap/zulip,mahim97/zulip,hackerkid/zulip,mahim97/zulip,blaze225/zulip,andersk/zulip,sharmaeklavya2/zulip,vaidap/zulip,JPJPJPOPOP/zulip,kou/zulip,punchagan/zulip,verma-varsha/zulip,Galexrt/zulip,Diptanshu8/zulip,dattatreya303/zulip,amyliu345/zulip,shubhamdhama/zulip,rht/zulip,ryanbackman/zulip,ryanbackman/zulip,brainwane/zulip,kou/zulip,blaze225/zulip,brainwane/zulip,mahim97/zulip,sonali0901/zulip,blaze225/zulip,jackrzhang/zulip,vabs22/zulip,dattatreya303/zulip,isht3/zulip,punchagan/zulip,jrowan/zulip,SmartPeople/zulip,jackrzhang/zulip,tommyip/zulip,mahim97/zulip,samatdav/zulip,andersk/zulip,zulip/zulip,verma-varsha/zulip,verma-varsha/zulip,souravbadami/zulip,PhilSk/zulip,samatdav/zulip,JPJPJPOPOP/zulip,j831/zulip,rishig/zulip,vabs22/zulip,dhcrzf/zulip,jackrzhang/zulip,christi3k/zulip,dawran6/zulip,Galexrt/zulip,amyliu345/zulip,jphilipsen05/zulip,eeshangarg/zulip,j831/zulip,brockwhittaker/zulip,sonali0901/zulip,brainwane/zulip,punchagan/zulip,brainwane/zulip,dawran6/zulip,showell/zulip,andersk/zulip,punchagan/zulip,shubhamdhama/zulip,Diptanshu8/zulip,hackerkid/zulip,isht3/zulip,eeshangarg/zulip,rht/zulip,eeshangarg/zulip,hackerkid/zulip,timabbott/zulip,verma-varsha/zulip,souravbadami/zulip,aakash-cr7/zulip,sharmaeklavya2/zulip,sonali0901/zulip,jainayush975/zulip,aakash-cr7/zulip,Galexrt/zulip,hackerkid/zulip,punchagan/zulip,souravbadami/zulip,aakash-cr7/zulip,tommyip/zulip,samatdav/zulip,brockwhittaker/zulip,rht/zulip,PhilSk/zulip,jainayush975/zulip,vaidap/zulip,samatdav/zulip,sonali0901/zulip,susansls/zulip,rht/zulip,amanharitsh123/zulip,mahim97/zulip,dattatreya303/zulip,timabbott/zulip,rishig/zulip,synicalsyntax/zulip,Galexrt/zulip,sharmaeklavya2/zulip,dhcrzf/zulip,jphilipsen05/zulip,amyliu345/zulip,brainwane/zulip,rht/zulip,j831/zulip,timabbott/zulip,tommyip/zulip,dhcrzf/zulip,dhcrzf/zulip,vabs22/zulip,jainayush975/zulip,timabbott/zulip,brockwhittaker/zulip,samatdav/zulip,vaidap/zulip,Galexrt/zulip,showell/zulip,amyliu345/zulip,jainayush975/zulip,shubhamdhama/zulip,jainayush975/zulip,rht/zulip,vabs22/zulip,synicalsyntax/zulip,synicalsyntax/zulip,kou/zulip,punchagan/zulip,christi3k/zulip,aakash-cr7/zulip,kou/zulip,sharmaeklavya2/zulip,isht3/zulip,dattatreya303/zulip,amyliu345/zulip,sonali0901/zulip,ryanbackman/zulip,ryanbackman/zulip,jphilipsen05/zulip,amanharitsh123/zulip,tommyip/zulip,eeshangarg/zulip,synicalsyntax/zulip,PhilSk/zulip,jackrzhang/zulip,andersk/zulip,zulip/zulip,tommyip/zulip,jrowan/zulip,mahim97/zulip,timabbott/zulip,christi3k/zulip,brockwhittaker/zulip,rht/zulip,JPJPJPOPOP/zulip,tommyip/zulip,christi3k/zulip,ryanbackman/zulip,showell/zulip,j831/zulip,JPJPJPOPOP/zulip,kou/zulip,zulip/zulip,synicalsyntax/zulip,dattatreya303/zulip,shubhamdhama/zulip,brainwane/zulip,showell/zulip,jphilipsen05/zulip,JPJPJPOPOP/zulip,shubhamdhama/zulip,dawran6/zulip,synicalsyntax/zulip,sharmaeklavya2/zulip,Diptanshu8/zulip,souravbadami/zulip,jphilipsen05/zulip,dhcrzf/zulip,JPJPJPOPOP/zulip,zulip/zulip,susansls/zulip,samatdav/zulip,jackrzhang/zulip,isht3/zulip,dawran6/zulip,vabs22/zulip,jainayush975/zulip,brainwane/zulip,amyliu345/zulip,hackerkid/zulip,jackrzhang/zulip,sharmaeklavya2/zulip,kou/zulip,vaidap/zulip,souravbadami/zulip,timabbott/zulip,eeshangarg/zulip,rishig/zulip,isht3/zulip,verma-varsha/zulip,vabs22/zulip,ryanbackman/zulip,rishig/zulip,tommyip/zulip,zulip/zulip,Diptanshu8/zulip,rishig/zulip,dawran6/zulip,jrowan/zulip,showell/zulip,Diptanshu8/zulip,SmartPeople/zulip,dhcrzf/zulip,jphilipsen05/zulip,j831/zulip,susansls/zulip,SmartPeople/zulip,PhilSk/zulip,brockwhittaker/zulip,blaze225/zulip,christi3k/zulip,kou/zulip