Mysql failure:
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Query: SELECT h.id as id FROM hardware AS h JOIN producten AS p ON h.id = p.hardware_id WHERE platform2_id = 17 and categorie_id = AND actief = 1 AND p.levertijd !='niet meer leverbaar'
Error: 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 'AND actief = 1 AND p.levertijd !='niet meer leverbaar'' at line 5