phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '639926bb94d22c1f6ce7818771835ed6' 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 ('639926bb94d22c1f6ce7818771835ed6', -1, 1744258203, 1744258203, '1275c48d', 30, 0, 0)

Line : 187
File : sessions.php