Update error message.
Update error message.

This exception could also indicate trigger rule section missing "parameters"
section.

nzlosh/st2,pixelrebel/st2,punalpatel/st2,Plexxi/st2,lakshmi-kannan/st2,peak6/st2,StackStorm/st2,lakshmi-kannan/st2,nzlosh/st2,emedvedev/st2,pixelrebel/st2,nzlosh/st2,Plexxi/st2,tonybaloney/st2,emedvedev/st2,StackStorm/st2,tonybaloney/st2,punalpatel/st2,peak6/st2,StackStorm/st2,punalpatel/st2,Plexxi/st2,pixelrebel/st2,lakshmi-kannan/st2,Plexxi/st2,nzlosh/st2,emedvedev/st2,StackStorm/st2,tonybaloney/st2,peak6/st2