phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a4ec91f44e7d493fa729b2ec6c9e9bd6', -1, 1715095483, 1715095483, '0d3af71f', -4, 0, 0)

Line : 189
File : sessions.php