phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './why9work_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) VALUES ('fd9b914679850444ac367bcb16aebf21', -1, 1472423443, 1472423443, '6ca2db75', -1, 0)

Line : 158
File : sessions.php