de Paiva Marcotti, João Vitor. “DEVELOPMENT AND COMPARISON OF MACHINE LEARNING MODELS APPLIED TO THE PREDICTION OF IBOVESPA PERFORMANCE TRENDS”. A Economia em Revista - AERE 33, no. 1 (outubro 7, 2025): 18. Acessado maio 10, 2026. https://periodicos.uem.br/ojs/index.php/EconRev/article/view/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("u7ev44ecfefl25i5s3gbn1a065", "")

File: (unknown) line (unknown)
Function: session_write_close()