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 ('e4e5adf345b1a3ddc6b04e0afef1a690', -1, 1414735539, 1414735539, '36c55ef1', -1, 0, 0)

Line : 187
File : sessions.php