phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '81c300f9f415ba3fa1d6804170c3cecf' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('81c300f9f415ba3fa1d6804170c3cecf', -1, 1715644895, 1715644895, '03839861', -8, 0, 0)

Line : 187
File : sessions.php