Error executing query: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
Full query: SELECT fragen_ids FROM `massnahmen` WHERE id =
0 | SELECT * FROM `kurs` WHERE `id`=7081 AND `deleted`=0 |
1 | SELECT fragen_ids FROM `massnahmen` WHERE id = |