phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './NPSiteDB/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 ('56d3e7f64e55d4a4b29c97e9677f2cda', -1, 1495480107, 1495480107, '36a26067', 0, 0, 0)

Line : 189
File : sessions.php