탑스쿨님의 팝업관리 오류 좀 봐주세요~

/adm/popup_list.php 페이지상단에 오류구문이 뜨고요 (관리자모드 팝업관리)
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팝업창을 띄웠을때 팝업 내용위에 오류구문이 뜹니다 ㅜㅜ

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어디를 고쳐야 하나요 ㅜㅜ