phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'def493a88f471c9b1c4d2034f2738e0d' 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 ('def493a88f471c9b1c4d2034f2738e0d', -1, 1715634664, 1715634664, 'c0a80201', 18, 0, 0)

Line : 187
File : sessions.php