phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('9f1a6e1ce63f036d9a9e169d838b1bad', -1, 1462409937, 1462409937, '36e35b48', -1, 0, 0)

Line : 187
File : sessions.php