phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ed2e0f0362482dd8f12b41587108242d', -1, 1717166988, 1717166988, '0390977e', -4, 0, 0)

Line : 187
File : sessions.php