Fixing error message

api/team.go

@@ -480,7 +480,7 @@ func inviteMembers(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	var invNum int64 = 0
 	for i, invite := range invites.Invites {
-		if result := <-Srv.Store.User().GetByEmail(c.Session.TeamId, invite["email"]); result.Err == nil || result.Err.Message != "We couldn't find the existing account" {
+		if result := <-Srv.Store.User().GetByEmail(c.Session.TeamId, invite["email"]); result.Err == nil || result.Err.Message != "We couldn't find an existing account matching your email address for this team. This team may require an invite from the team owner to join." {
 			invNum = int64(i)
 			c.Err = model.NewAppError("invite_members", "This person is already on your team", strconv.FormatInt(invNum, 10))
 			return