phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './lg15_phpbb/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 ('704653d5d0e9504d8e643e57b820e4dd', -1, 1767167771, 1767167771, 'd849d8a8', -2, 0, 0)

Line : 187
File : sessions.php