Fix #1166

hhrutter · hhrutter · commit c5b2e7c3501e · 2025-07-29T13:22:00.000+02:00
diff --git a/pkg/pdfcpu/validate/outlineTree.go b/pkg/pdfcpu/validate/outlineTree.go
@@ -46,14 +46,20 @@ func validateOutlineItemDict(xRefTable *model.XRefTable, d types.Dict) error {
 	}
 
 	// Parent, required, dict indRef
-	ir, err := validateIndRefEntry(xRefTable, d, dictName, "Parent", REQUIRED, model.V10)
-	if err != nil {
-		return err
+	required := REQUIRED
+	if xRefTable.ValidationMode == model.ValidationRelaxed {
+		required = OPTIONAL
 	}
-	_, err = xRefTable.DereferenceDict(*ir)
+	ir, err := validateIndRefEntry(xRefTable, d, dictName, "Parent", required, model.V10)
 	if err != nil {
 		return err
 	}
+	if ir != nil {
+		_, err = xRefTable.DereferenceDict(*ir)
+		if err != nil {
+			return err
+		}
+	}
 
 	// // Count, optional, int
 	// _, err = validateIntegerEntry(xRefTable, d, dictName, "Count", OPTIONAL, model.V10, nil)
