phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './soocool2_db/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 ('d50a2cd8b7b0cfdea9c0cddf9e89f430', -1, 1425500237, 1425500237, '36a1d407', -1, 0, 0)

Line : 187
File : sessions.php