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 ('a5a54f2438d6d50525d4862f81b6f6a1', -1, 1462168588, 1462168588, '36dd700b', -1, 0, 0)

Line : 187
File : sessions.php