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 ('62ac9eebc04ea4d5cfcad6d3920cc632', -1, 1713553561, 1713553561, '038cbaf1', -4, 0, 0)

Line : 187
File : sessions.php