phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './lac_xmb1/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 ('fd2c701d5dd48e70243163c276eff032', -1, 1490256441, 1490256441, '36a798b1', 15, 0, 0)

Line : 187
File : sessions.php