phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c826eaa143f73fd3975afed61951fdc4' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('c826eaa143f73fd3975afed61951fdc4', -1, 1770054563, 1770054563, 'd849d8a9', 31, 0)

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