그누보드로 php7+mariadb10.1 셋팅을 했는데 아래와같은 에러가나옵니다..

Warning: mysqli_connect(): Headers and client library minor version mismatch. Headers:50543 Library:100109 in /usr/share/nginx/html/lib/common.lib.php on line 1603 

Warning: Cannot modify header information - headers already sent by (output started at /usr/share/nginx/html/lib/common.lib.php:1603) in /usr/share/nginx/html/common.php on line 633
Warning: Cannot modify header information - headers already sent by (output started at /usr/share/nginx/html/lib/common.lib.php:1603) in /usr/share/nginx/html/common.php on line 634
Warning: Cannot modify header information - headers already sent by (output started at /usr/share/nginx/html/lib/common.lib.php:1603) in /usr/share/nginx/html/common.php on line 635
Warning: Cannot modify header information - headers already sent by (output started at /usr/share/nginx/html/lib/common.lib.php:1603) in /usr/share/nginx/html/common.php on line 636
Warning: Cannot modify header information - headers already sent by (output started at /usr/share/nginx/html/lib/common.lib.php:1603) in /usr/share/nginx/html/common.php on line 637

버전이 안맞다고 나오는거같은데 해당부분 해결해보신분 계신지요?

서버환경은 이렀습니다.

우분투14.04 + Nginx1.4.7 + Mariadb 10.1 PHP7 (12월4일자 최신버전)

어떻게 해야할가요..크흥

위의 사양에서 php5.6.15로 돌릴땐 아무이상이 없었습니다..