phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4686ca030fd790d1175611a7791bfe65' 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 ('4686ca030fd790d1175611a7791bfe65', -1, 1761051474, 1761051474, 'd849d8d6', 12, 0, 0)

Line : 187
File : sessions.php