phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9fd18a838a759007f8a8159dff0e047d' 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 ('9fd18a838a759007f8a8159dff0e047d', -1, 1711698985, 1711698985, '0350906e', -4, 0, 0)

Line : 187
File : sessions.php