phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fc9558ce3d96a39512532af0c78c9bf0' 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 ('fc9558ce3d96a39512532af0c78c9bf0', -1, 1714312594, 1714312594, '12da465d', -8, 0, 0)

Line : 187
File : sessions.php