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 ('3ea1b08f54e4bd9f2c6bdca5496ef707', -1, 1467012695, 1467012695, '36a6bf51', -1, 0, 0)

Line : 187
File : sessions.php