phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('207e2c8bf501a7f8c90e36f3af8d6b26', -1, 1715095464, 1715095464, '0390ee14', -4, 0, 0)

Line : 189
File : sessions.php