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 ('f79e51d7945b0883dd71758fd2c42c2e', -1, 1715023770, 1715023770, '038dc19e', 4, 0, 0)

Line : 189
File : sessions.php