refactor error messages
refactor error messages

kostya/eye,marshall-lee/eye,cuzic/eye,kostya/eye,gitinsky/eye,makevoid/eye,cuzic/eye,esse/eye,marshall-lee/eye,dbi/eye,makevoid/eye,SergXIIIth/eye,esse/eye,heyryanw/eye,SergXIIIth/eye,gitinsky/eye,heyryanw/eye