여분필드20개 또는 100개 추가 원합니다. 채택완료

bbs/write_update.php

$sql = " insert into $write_table
            set wr_num = '$wr_num',
                 ............................
                 ............................
                 wr_8 = '$wr_8',
                 wr_9 = '$wr_9',
                 wr_10 = '$wr_10',

                 wr_11 = '$wr_11',
                 wr_12 = '$wr_12',
                 wr_13 = '$wr_13',
                 wr_14 = '$wr_14',
                 wr_15 = '$wr_15',
                 wr_16 = '$wr_16',
                 wr_17 = '$wr_17',
                 wr_18 = '$wr_18',
                 wr_19 = '$wr_19',
                 wr_20 = '$wr_20' ";  

===================

$sql = " update {$write_table}
            set ca_name = '{$ca_name}',
                 ..............................
                 ..............................
                 wr_8 = '{$wr_8}',
                 wr_9 = '{$wr_9}',

                    wr_10 = '{$wr_10}',
                      wr_11 = '{$wr_11}',
                     wr_12 = '{$wr_12}',
                     wr_13 = '{$wr_13}',
                     wr_14 = '{$wr_14}',
                     wr_15 = '{$wr_15}',
                     wr_16 = '{$wr_16}',
                     wr_17 = '{$wr_17}',
                     wr_18 = '{$wr_18}',
                     wr_19 = '{$wr_19}',                    
                     wr_20= '{$wr_20}'

위의 2 부분을 수정 했습니다.

그리고 나머지 부분도 수정을 전부 했습니다.

그런데 

bbs/write_update.php

위의 부분에서 에러가 발생합니다.

어디를 수정하면 되나요?

감사합니다.