Nice error when a KDM cannot be made because its validity period is not within the signing certificate chain's validity period.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/wx/kdm_dialog.cc b/src/wx/kdm_dialog.cc
index 5a31501cf..8682fe82f 100644
--- a/src/wx/kdm_dialog.cc
+++ b/src/wx/kdm_dialog.cc
@@ -166,6 +166,13 @@ KDMDialog::make_clicked ()
 			!_output->forensic_mark_video(), for_audio
 			);
 
+	} catch (dcp::BadKDMDateError& e) {
+		if (e.starts_too_early()) {
+			error_dialog (this, _("The KDM start period is before (or close to) the start of the signing certificate's validity period.  Use a later start time for this KDM."));
+		} else {
+			error_dialog (this, _("The KDM end period is after (or close to) the end of the signing certficates' validity period.  Either use an earlier end time for this KDM or re-create your signing certificates in the DCP-o-matic preferences window."));
+		}
+		return;
 	} catch (runtime_error& e) {
 		error_dialog (this, std_to_wx(e.what()));
 		return;