phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tripleac_Forum/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('05ccf4f1b8a2481b0c28732164311397', -1, 1455171699, 1455171699, '3652317d', -1, 0, 0)

Line : 187
File : sessions.php