tcpdf 질문입니다 채택완료

오늘 오후까지 정상적으로 pdf파일 다운로드 및 보기가 되었는데 5시에 갑자기 SSL관련 에러가 뜨면서 이미지를 못불러오더라구요 ㅠㅠ

Warning: imagecreatefrompng(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(): Failed to enable crypto in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(https://aaa/img/pdf_logo.png): failed to open stream: operation failed in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(): Failed to enable crypto in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(https://aaar/data/file/recruit/2009503948_rWkqCMND_8c086bccd42c430b71f3abff802d87966764801f.png): failed to open stream: operation failed in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(): Failed to enable crypto in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(https://aaa/img/pdf_logo.png): failed to open stream: operation failed in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(): Failed to enable crypto in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 Warning: imagecreatefrompng(https://aaa/img/pdf_logo.png): failed to open stream: operation failed in /home/public_html/plugin/tcpdf/tcpdf.php on line 7034 TCPDF ERROR: Some data has already been output, can't send PDF file

서버관련 php.ini 에 경로설정도 해봤지만 별다른 소득이 없었습니다 ㅠㅠ

관련해서 해결해보신분이 있으실까요?