Warning: include(ver_sessao.php): failed to open stream: No such file or directory in C:\xampp7\htdocs\kernel\compra\cadastro_produto.php on line 2

Warning: include(): Failed opening 'ver_sessao.php' for inclusion (include_path='C:\xampp7\php\PEAR') in C:\xampp7\htdocs\kernel\compra\cadastro_produto.php on line 2

Warning: include(conecta.php): failed to open stream: No such file or directory in C:\xampp7\htdocs\kernel\compra\cadastro_produto.php on line 3

Warning: include(): Failed opening 'conecta.php' for inclusion (include_path='C:\xampp7\php\PEAR') in C:\xampp7\htdocs\kernel\compra\cadastro_produto.php on line 3

Warning: Use of undefined constant user_nb_id - assumed 'user_nb_id' (this will throw an Error in a future version of PHP) in C:\xampp7\htdocs\kernel\compra\cadastro_produto.php on line 8
ERRO: Sessão expirada!