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, session_admin) VALUES ('000ff36f07086405716bb80a17af4ca9', -1, 1714130865, 1714130865, '12be9826', -4, 0, 0)

Line : 187
File : sessions.php