in trouble

SELECT * FROM gallery2 WHERE topic_id="881455" UNION SELECT * FROM gallery2 WHERE topic_id="415449" UNION SELECT * FROM gallery2 WHERE topic_id="1006260" UNION SELECT * FROM gallery2 WHERE topic_id="1378375" UNION SELECT * FROM gallery2 WHERE topic_id="685343" UNION SELECT * FROM gallery2 WHERE topic_id="1623914" UNION SELECT * FROM gallery2 WHERE topic_id="1640761" UNION SELECT * FROM gallery2 WHERE topic_id="33387" UNION SELECT * FROM gallery2 WHERE topic_id="1355208" UNION SELECT * FROM gallery2 WHERE topic_id="1643108" UNION SELECT * FROM gallery2 WHERE topic_id="1574197" UNION SELECT * FROM gallery2 WHERE topic_id="997052" UNION SELECT * FROM gallery2 WHERE topic_id="904279" UNION SELECT * FROM gallery2 WHERE topic_id="88784" UNION SELECT * FROM gallery2 WHERE topic_id="958261" UNION SELECT * FROM gallery2 WHERE topic_id="537867"