phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1a69f02a605e154831341a51efc715b1' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('1a69f02a605e154831341a51efc715b1', -1, 1770099401, 1770099401, 'd849d8a9', -9, 0)

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