Adds error message to questions controller
Adds error message to questions controller

rishabhptr/osem,neilmillard/osem,sonalkr132/osem,hennevogel/osem,hennevogel/osem,1000miles/osem,Shriyanshagro/osem,alcho/osem,raluka/osem,rishabhptr/osem,namangupta01/osem,sonalkr132/osem,SeaGL/osem,claudiug/osem,rishabhptr/osem,differentreality/osem,ChrisBr/osem,bear454/osem,namangupta01/osem,hennevogel/osem,raluka/osem,kormoc/osem,SeaGL/osem,claudiug/osem,yifanjiang/osem,ChrisBr/osem,yifanjiang/osem,raluka/osem,ChrisBr/osem,BelieveC/osem,yifanjiang/osem,namangupta01/osem,AndrewKvalheim/osem,ChrisBr/osem,bgeuken/osem,1000miles/osem,BelieveC/osem,kormoc/osem,gophercon/osem,raluka/osem,bgeuken/osem,differentreality/osem,neilmillard/osem,namangupta01/osem,meonkeys/osem,gophercon/osem,openSUSE/osem,alcho/osem,openSUSE/osem,meonkeys/osem,differentreality/osem,kormoc/osem,bgeuken/osem,1000miles/osem,rishabhptr/osem,kormoc/osem,Shriyanshagro/osem,bear454/osem,hennevogel/osem,Shriyanshagro/osem,Shriyanshagro/osem,sonalkr132/osem,bear454/osem,SeaGL/osem,AndrewKvalheim/osem,BelieveC/osem,AndrewKvalheim/osem,sonalkr132/osem,bear454/osem,differentreality/osem,alcho/osem,claudiug/osem,BelieveC/osem,neilmillard/osem,openSUSE/osem,meonkeys/osem