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 ('5b3f2ccb9fad815f16a6a2c2d3b38a07', -1, 1417142517, 1417142517, '36f2f114', -1, 0, 0)

Line : 187
File : sessions.php