phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0fab802fb858bc8877e7e711ba32f64c' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('0fab802fb858bc8877e7e711ba32f64c', -1, 1781726498, 1781726498, 'd849d827', 0, 0, 0)

Line : 187
File : sessions.php