select wr_id from g4_write_city_01 where ((INSTR(LOWER(wr_subject%7C%7Cwr_content), LOWER('BGF%EC%A3%BC%EA%B0%80%EC%A0%84%EB%A7%9D%D0%98'))) and (INSTR(LOWER(wr_subject%7C%7Cwr_content), LOWER('%E3%80%90%EC%95%8C%ED%8A%B8%EA%B7%B8%EB%A3%B9%E3%80%91%E3%80%90%ED%85%94%EB%A0%88%EA%B7%B8%EB%9E%A8%EA%B2%80%EC%83%89%E3%80%91'))) and (INSTR(LOWER(wr_subject%7C%7Cwr_content), LOWER('%E3%8E%8Achorus%EF%BD%88%EC%8E%84%ED%8A%B8%EB%A0%89%EC%95%84%EC%9D%B4%EC%A3%BC%EA%B0%80%EC%A0%84%EB%A7%9D%EB%82%98%EB%85%B8%EC%8A%A4%EC%A3%BC%EA%B0%80%EC%A0%84%EB%A7%9D%E3%85%BFpurple'))) and (INSTR(LOWER(wr_subject%7C%7Cwr_content), LOWER('KPX%ED%99%80%EB%94%A9%EC%8A%A4%EC%A3%BC%EA%B0%80%EC%A0%84%EB%A7%9D%ED%95%9C%EA%B8%80%EA%B3%BC%EC%BB%B4%ED%93%A8%ED%84%B0%EC%A3%BC%EA%B0%80%EC%A0%84%EB%A7%9D'))) and (INSTR(LOWER(wr_subject%7C%7Cwr_content), LOWER('%EB%B9%84%ED%8A%B8%EC%BD%94%EC%9D%B8rsi%E3%8E%AC%EB%8F%99%EC%9B%90%EC%82%B0%EC%97%85%EC%A3%BC%EA%B0%80%EC%A0%84%EB%A7%9D%E2%91%BDthou%E3%85%8F'))))

1054 : Unknown column '7C' in 'where clause'

error file : /bbs/search.php