phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5ff35b0d92d453c561f8461d5774266c' for key 1

INSERT INTO cforum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5ff35b0d92d453c561f8461d5774266c', -1, 1752099242, 1752099242, 'd849d894', -11, 0, 0)

Line : 187
File : sessions.php