A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'id_usu' of non-object

Filename: models/Venta.php

Line Number: 103

Backtrace:

File: /home/alphadig/public_html/cuentasv1.alphadigitalmg.com/application/models/Venta.php
Line: 103
Function: _error_handler

File: /home/alphadig/public_html/cuentasv1.alphadigitalmg.com/application/controllers/Welcome.php
Line: 20
Function: ventasPorFechas

File: /home/alphadig/public_html/cuentasv1.alphadigitalmg.com/index.php
Line: 289
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/alphadig/public_html/cuentasv1.alphadigitalmg.com/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 565

Backtrace:

File: /home/alphadig/public_html/cuentasv1.alphadigitalmg.com/application/views/header.php
Line: 38
Function: redirect

File: /home/alphadig/public_html/cuentasv1.alphadigitalmg.com/application/controllers/Welcome.php
Line: 21
Function: view

File: /home/alphadig/public_html/cuentasv1.alphadigitalmg.com/index.php
Line: 289
Function: require_once