phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1ab8582c9f4e34d46a573d4dc2b14e85' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1ab8582c9f4e34d46a573d4dc2b14e85', -1, 1771806183, 1771806183, 'd849d890', 1, 0, 0)

Line : 187
File : sessions.php