phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './newklub31/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 ('26d54fe17f57e4c673a674c1eb8f757c', -1, 1469843401, 1469843401, '36e0c5a4', -4, 0, 0)

Line : 187
File : sessions.php