Replace it

SELECT * FROM gallery2 WHERE topic_id="1199138" UNION SELECT * FROM gallery2 WHERE topic_id="1199246" UNION SELECT * FROM gallery2 WHERE topic_id="321824" UNION SELECT * FROM gallery2 WHERE topic_id="1184473" UNION SELECT * FROM gallery2 WHERE topic_id="378670" UNION SELECT * FROM gallery2 WHERE topic_id="1273276" UNION SELECT * FROM gallery2 WHERE topic_id="1673838" UNION SELECT * FROM gallery2 WHERE topic_id="548369" UNION SELECT * FROM gallery2 WHERE topic_id="990182" UNION SELECT * FROM gallery2 WHERE topic_id="228343" UNION SELECT * FROM gallery2 WHERE topic_id="1490371" UNION SELECT * FROM gallery2 WHERE topic_id="816199" UNION SELECT * FROM gallery2 WHERE topic_id="577997" UNION SELECT * FROM gallery2 WHERE topic_id="1604599" UNION SELECT * FROM gallery2 WHERE topic_id="575053" UNION SELECT * FROM gallery2 WHERE topic_id="1105422"