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 ('3228d3e78550d90a05001f82a40eca0d', -1, 1487605830, 1487605830, '36c59c40', -1, 0, 0)

Line : 187
File : sessions.php