Problem 4 - Termine nicht geöffnet
select t.* from termine as t
join kalendername as kn on (t.KN_ID=kn.KN_ID)
join kalender_gruppe as kg on (kn.KG_ID=kg.KG_ID)
where (TerminDatum = '2025-06-27')
and (kn.KN_ID IN (21,22,24,25,26,28,29,31,40,41,42,43,44,45,49))
and (kg.KG_ID IN ())
order by TerminDatum, TerminZeitYou have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '))
order by TerminDatum, TerminZeit' at line 6