phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './hail1602_phpbb1/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 ('579eb0e0df9c777bc9da29b0f896299a', -1, 1475063608, 1475063608, '365bc988', -4, 0, 0)

Line : 187
File : sessions.php