Let Qt report the error on an empty container.
Let Qt report the error on an empty container.

cutelyst/grantlee,cutelyst/grantlee,simonwagner/grantlee,simonwagner/grantlee,cutelyst/grantlee,cutelyst/grantlee,simonwagner/grantlee,simonwagner/grantlee,simonwagner/grantlee,cutelyst/grantlee,simonwagner/grantlee