Die Schwalbe
The search command is not correct.
COMMENTDATE%3E%3D20200919 AND NOT K%3D%27Hilfsr%C3%BCckz%C3%BCger%27 AND A%3D%27Lincoln%2C Robert A.%27 AND S%3D%27Die Schwalbe%27 AND K%3D%27Banny-Thema%27
atomic expression must have form 'field = value' [COMMENTDATE % $$NUMBER0 E % $$NUMBER1 D20200919]