phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO satshop_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c07f4095b6b80f6ad9db2713c6ee91e7', -1, 1752406146, 1752406146, 'd849d8b2', 0, 0, 0)

Line : 189
File : sessions.php