phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './bdforum/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 ('0f9c4d2db2d6c2a70e3fb1962a3a8d41', -1, 1464724048, 1464724048, '36a2a85b', -1, 0, 0)

Line : 187
File : sessions.php