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-rw-r--r--module/vcomponent/formats/vdir/save-delete.scm6
1 files changed, 6 insertions, 0 deletions
diff --git a/module/vcomponent/formats/vdir/save-delete.scm b/module/vcomponent/formats/vdir/save-delete.scm
index 8fdc615e..ed2473ea 100644
--- a/module/vcomponent/formats/vdir/save-delete.scm
+++ b/module/vcomponent/formats/vdir/save-delete.scm
@@ -22,6 +22,12 @@
(define-public (save-event event)
(define calendar (parent event))
+ (unless calendar
+ (scm-error 'wrong-type-arg "save-event"
+ "Can only save events belonging to calendars, event uid = ~s"
+ (list (prop event 'UID))
+ #f))
+
(unless (eq? 'vdir (prop calendar '-X-HNH-SOURCETYPE))
(scm-error 'wrong-type-arg "save-event"
"Can only save events belonging to vdir calendars. Calendar is of type ~s"