phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6171df4067946e3f4e788a4cfba0c197' 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 ('6171df4067946e3f4e788a4cfba0c197', -1, 1715623941, 1715623941, '0383643c', -4, 0, 0)

Line : 187
File : sessions.php