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 ('06b1ed9e3edc9f91a6fa5942251cd5cb', -1, 1414093949, 1414093949, '36574b33', -1, 0, 0)

Line : 187
File : sessions.php