phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b64a5c2c8493b498acb2338998db2d96' 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 ('b64a5c2c8493b498acb2338998db2d96', -1, 1714951140, 1714951140, 'c0a80201', -6, 0, 0)

Line : 187
File : sessions.php