새로운 테이블 생성 후 글쓰기 저장 오류 질문드립니다~! 채택완료

===========글쓰기<?php$sub_menu = "400100";include_once('./_common.php');auth_check($auth[$sub_menu], "r");$g5['title'] = '채널관리';include_once (G5_ADMIN_PATH.'/admin.head.php');$sql = "SELECT * FROM channel";$view = sql_fetch($sql);     if (count($view) == 1) echo"없음";?>   <!-- 게시물 작성/수정 시작 { -->    <form name="fwrite" id="fwrite" action="/adm/channel_update.php"  method="post" >    	<input type="hidden" name="id" value="<?php echo $id;?>"    <td>제목 <input type="text" name="name"  id="name" required class="frm_input required" size="10" maxlength="20"></td>    <input  type="submit"  value="글작성" >     </form>    <?phpinclude_once ('./admin.tail.php');?>  =================글저장 <?include_once('./_common.php');if ( !$name)//제목, 글내용, 이름 입력체크{	echo(" <script>                  window.alert('이름, 제목, 내용을 입력해 주세요 !')                  history.go(-1)                   </script>                 ");	exit ;}     $sql = "SELECT * FROM channel";$result = mysql_query($sql, $connect);//쿼리전송 $row = mysql_fetch_array($result);//레코드를 배열로 저장 //글번호 증가if ($row[0]) {	$id = $row[0] + 1;} else {	$id = 1;}//-------저장$writeday = time();$sql = "insert into board (id,name, content, etc, thumb) values('$id','$name','$content','$etc','$thumb')";$result=mysql_query($sql, $connect); if($result){Header("Location:/adm/channel_list.php");  // list.php 로 이동}else{echo("<script language=javascript>window.alert('저장중 오류');history.go(-1);</script>");exit;}?>