phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd2f459e7a46020763d3ddc7d85edf700' 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 ('d2f459e7a46020763d3ddc7d85edf700', -1, 1757543739, 1757543739, 'd849d863', -9, 0, 0)

Line : 187
File : sessions.php