phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'aa47f0933d356bf6e9a64f4eb5f0ef1e' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('aa47f0933d356bf6e9a64f4eb5f0ef1e', -1, 1713511370, 1713511370, '038b619d', 4, 0, 0)

Line : 187
File : sessions.php