phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f784c9b40ca1cceb6e2568752a30ff2b' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f784c9b40ca1cceb6e2568752a30ff2b', -1, 1753849898, 1753849898, 'd849d8ba', -4, 0, 0)

Line : 187
File : sessions.php