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 ('7c960fb4d3f4f5afd0869a7fc064286d', -1, 1425437389, 1425437389, '3691f73d', 6, 0, 0)

Line : 187
File : sessions.php