de Paiva Marcotti, J. V. (2025). DEVELOPMENT AND COMPARISON OF MACHINE LEARNING MODELS APPLIED TO THE PREDICTION OF IBOVESPA PERFORMANCE TRENDS. A Economia Em Revista - AERE, 33(1), 18. https://doi.org/10.4025/econrev.v33i1.79396
DB Error: UPDATE command denied to user 'leitor'@'localhost' for table 'sessions'
Stack Trace:
File: /var/www/html/ojs/lib/pkp/classes/session/SessionDAO.inc.php line 109 Function: DAO->update("UPDATE sessions
SET
user_id = ?,
ip_address = ?,
...", Array(9))
File: /var/www/html/ojs/lib/pkp/classes/session/SessionManager.inc.php line 185 Function: SessionDAO->updateObject(Object(Session))
File: (unknown) line (unknown) Function: SessionManager->write("o70htshkpg70hubi67fnqe8s0d", "")
File: (unknown) line (unknown) Function: session_write_close()