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 ('5792deba0ece94588ecfbc2398bde3e4', -1, 1469876798, 1469876798, '365057aa', -1, 0, 0)

Line : 187
File : sessions.php