phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6b8b21030ed49dc09a9d4547b960e1b8' 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, priv_session_id) VALUES ('6b8b21030ed49dc09a9d4547b960e1b8', -1, 1714386200, 1714386200, 'ac450633', 12, 0, 0, 'eddb6e707823b2aea0aef39ceceb52e9')

Line : 187
File : sessions.php