Database Error The database has encountered a problem

Discuz! Database Error The database has encountered a problem. Need Help? Error messages: [Type] query error [5] Out of memory (Needed 129920 bytes) [Query] SELECT attach.aid, attach.attachment, attach.remote, t.tid, t.fid, t.subject FROM forum_attachment attach INNER JOIN forum_thread t ON t.tid = attach.tid WHERE attach.readperm = 0 AND t.isgroup = 0 AND t.displayorder> = 0 AND attach.isimage = 1 GROUP BY attach.tid ORDER BY rand () DESC LIMIT 0, 50
Program messages: [Line: 0054] forum.php (runhooks) [Line: 1101] source / function / function_core.php (hookscript) [Line : 1138] source / function / function_core.php (plugin_kk_xshow_forum-> index_top) [Line: 0084] source / plugin / kk_xshow / xshow.class.php (plugin_kk_xshow_forum-> update_image) [Line: 0157] source / plugin / kk_xshow / xshow.class.php (DB-> query) [Line: 0837] source / class / class_core.php (DB-> _execute)


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