phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './bhussaay/phpbb3_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb3_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('51d873f4d7d8caa76e08fba14d0c26f3', -1, 1466999678, 1466999678, '6b160627', -1, 0, 0)

Line : 187
File : sessions.php