phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4ecfd15cb38ea7b712f3617a9a5850f4' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('4ecfd15cb38ea7b712f3617a9a5850f4', -1, 1770408380, 1770408380, 'd849d802', -9, 0)

Line : 180
File : /www/includes/sessions.php