phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '68858874d7500fd5f6713c2d5e0742a9' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('68858874d7500fd5f6713c2d5e0742a9', -1, 1768516428, 1768516428, 'd849d80d', 7, 0)

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