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 ('d40d3a308dea151f3c2c65712d84be52', -1, 1730439438, 1730439438, '12758975', -1, 0, 0)

Line : 195
File : sessions.php