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 ('5dddc6b80b1c1b4f1c4f258ed2391e0c', -1, 1717341569, 1717341569, '03900f3d', 0, 0, 0)

Line : 187
File : sessions.php