A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 0

Filename: models/Problema.php

Line Number: 11

Backtrace:

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/models/Problema.php
Line: 11
Function: _error_handler

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/controllers/Problemas.php
Line: 89
Function: generarProblema

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/index.php
Line: 317
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: models/Problema.php

Line Number: 13

Backtrace:

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/models/Problema.php
Line: 13
Function: _error_handler

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/controllers/Problemas.php
Line: 89
Function: generarProblema

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/index.php
Line: 317
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /homepages/33/d349327298/htdocs/otraeducacion/matematicas/system/core/Exceptions.php:271)

Filename: core/Common.php

Line Number: 564

Backtrace:

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/models/Problema.php
Line: 18
Function: library

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/controllers/Problemas.php
Line: 89
Function: generarProblema

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/index.php
Line: 317
Function: require_once

Error

An Error Was Encountered

Unable to load the requested class: Proporcionalidadbasica