phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8817674a8252e3754873ceaca8d21fc' 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 ('c8817674a8252e3754873ceaca8d21fc', -1, 1714908105, 1714908105, '12bf2c17', -11, 0, 0)

Line : 187
File : sessions.php