phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3908974df6e6e6010e02bf2fd7c8625f' 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 ('3908974df6e6e6010e02bf2fd7c8625f', -1, 1715035480, 1715035480, '1276786d', 0, 0, 0)

Line : 187
File : sessions.php