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 ('fc2047884b33ca2a0f9e359d5d51b764', -1, 1714706977, 1714706977, '12d99020', 5, 0)

Line : 158
File : sessions.php