diff -r 593a658cba8e -r 73e448b2943d src/objecttypes/errorline.h
--- a/src/objecttypes/errorline.h	Thu Oct 03 11:45:44 2019 +0300
+++ b/src/objecttypes/errorline.h	Thu Oct 03 23:44:28 2019 +0300
@@ -14,6 +14,9 @@
 	SetPropertyResult setProperty(
 		Property property,
 		const QVariant& value) override;
+	QString textRepresentation() const override;
+	QBrush textRepresentationForeground() const override;
+	QBrush textRepresentationBackground() const override;
 private:
 	QString text;
 };