phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './illustra_phpbb1/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 ('7c2d8d4135d26fe777146cbb4f32a6b0', -1, 1409570020, 1409570020, '36a61d01', -1, 0, 0)

Line : 187
File : sessions.php