phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3947c374938f86245280f6eeb8384fbd' 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 ('3947c374938f86245280f6eeb8384fbd', -1, 1715833823, 1715833823, '12dbd5c4', -4, 0, 0)

Line : 187
File : sessions.php