phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8399115754a333c1905a9444e6ac2f2d' 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 ('8399115754a333c1905a9444e6ac2f2d', -1, 1715346563, 1715346563, 'c0a80201', 18, 0, 0)

Line : 187
File : sessions.php