phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '646798c0df84392085bfe2ef7902f9b7' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('646798c0df84392085bfe2ef7902f9b7', -1, 1714616944, 1714616944, '12de7378', -8, 0, 0)

Line : 187
File : sessions.php