f.read_file (file ("metadata.xml"));
_state_version = f.number_child<int> ("Version");
+ if (_state_version > current_state_version) {
+ throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
+ }
_name = f.string_child ("Name");
_use_dci_name = f.bool_child ("UseDCIName");