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 ('adddcb7f89d547d1ee3f6f7f6ca0d31b', -1, 1472694642, 1472694642, '365178da', -1, 0, 0)

Line : 187
File : sessions.php