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 ('7af2d2634ed0ae5e2221f8e9f5c62b53', -1, 1715113890, 1715113890, '0389ab79', 0, 0, 0)

Line : 189
File : sessions.php