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 ('81a5b14b687a7a3a41be3dbb9fc5a1fc', -1, 1717068883, 1717068883, '12da9338', 1, 0, 0)

Line : 187
File : sessions.php