1대1 문의 오류가 나요~!

1064 : 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 '' at line 1

error file : /bbs/qalist.php

CREATE TABLE IF NOT EXISTS `` ( `qa_title` varchar(255) NOT NULL DEFAULT'', `qa_category` varchar(255) NOT NULL DEFAULT'', `qa_skin` varchar(255) NOT NULL DEFAULT '', `qa_mobile_skin` varchar(255) NOT NULL DEFAULT '', `qa_use_email` tinyint(4) NOT NULL DEFAULT '0', `qa_req_email` tinyint(4) NOT NULL DEFAULT '0', `qa_use_hp` tinyint(4) NOT NULL DEFAULT '0', `qa_req_hp` tinyint(4) NOT NULL DEFAULT '0', `qa_use_sms` tinyint(4) NOT NULL DEFAULT '0', `qa_send_number` varchar(255) NOT NULL DEFAULT '', `qa_admin_hp` varchar(255) NOT NULL DEFAULT '', `qa_use_editor` tinyint(4) NOT NULL DEFAULT '0', `qa_subject_len` int(11) NOT NULL DEFAULT '0', `qa_mobile_subject_len` int(11) NOT NULL DEFAULT '0', `qa_page_rows` int(11) NOT NULL DEFAULT '0', `qa_mobile_page_rows` int(11) NOT NULL DEFAULT '0', `qa_image_width` int(11) NOT NULL DEFAULT '0', `qa_upload_size` int(11) NOT NULL DEFAULT '0', `qa_insert_content` text NOT NULL, `qa_1_subj` varchar(255) NOT NULL DEFAULT '', `qa_2_subj` varchar(255) NOT NULL DEFAULT '', `qa_3_subj` varchar(255) NOT NULL DEFAULT '', `qa_4_subj` varchar(255) NOT NULL DEFAULT '', `qa_5_subj` varchar(255) NOT NULL DEFAULT '', `qa_1` varchar(255) NOT NULL DEFAULT '', `qa_2` varchar(255) NOT NULL DEFAULT '', `qa_3` varchar(255) NOT NULL DEFAULT '', `qa_4` varchar(255) NOT NULL DEFAULT '', `qa_5` varchar(255) NOT NULL DEFAULT '' )
1103 : Incorrect table name ''
error file : /adm/qa_config.php