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 ('d2f4e06cc78afd89c9e3199719e96615', -1, 1730489289, 1730489289, '12e2c8ac', -1, 0, 0)

Line : 195
File : sessions.php