phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('1cb2008adf32bf97b87281b5b4b8d880', -1, 1716246259, 1716246259, '127443b1', 21, 0)

Line : 158
File : sessions.php