phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b440278493e0e73acc3b1a509c890cbb' 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 ('b440278493e0e73acc3b1a509c890cbb', -1, 1758247764, 1758247764, 'd849d8a9', 8, 0, 0)

Line : 187
File : sessions.php