SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g4_write_QnA WHERE ((INSTR(LOWER(wr_name2C1), LOWER('C6E4B8A3BCBCBFECBDBA'))>0) ) and (wr_num between '-116757' and '-106757')

Unknown column 'wr_name2C1' in 'where clause' : 1054

error file : /bbs/board.php