Something’s missing in between these…

SELECT * FROM gallery2 WHERE topic_id="846715" UNION SELECT * FROM gallery2 WHERE topic_id="808618" UNION SELECT * FROM gallery2 WHERE topic_id="1314580" UNION SELECT * FROM gallery2 WHERE topic_id="687223" UNION SELECT * FROM gallery2 WHERE topic_id="524590" UNION SELECT * FROM gallery2 WHERE topic_id="1503208" UNION SELECT * FROM gallery2 WHERE topic_id="1741695" UNION SELECT * FROM gallery2 WHERE topic_id="1778096" UNION SELECT * FROM gallery2 WHERE topic_id="457887" UNION SELECT * FROM gallery2 WHERE topic_id="31183" UNION SELECT * FROM gallery2 WHERE topic_id="1274929" UNION SELECT * FROM gallery2 WHERE topic_id="1377705" UNION SELECT * FROM gallery2 WHERE topic_id="674523" UNION SELECT * FROM gallery2 WHERE topic_id="1253037" UNION SELECT * FROM gallery2 WHERE topic_id="1776062" UNION SELECT * FROM gallery2 WHERE topic_id="1754712"