phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './cnas_portal_2/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 ('5988e01ddfc180da96fe195caba28b52', -1, 1427848082, 1427848082, '36cda7bb', 3, 0, 0)

Line : 187
File : sessions.php