A PHP Error was encountered

Severity: Notice

Message: Undefined variable: titulo

Filename: operaciones/OperacionSimple.php

Line Number: 250

Backtrace:

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/libraries/profesor_virtual/operaciones/OperacionSimple.php
Line: 250
Function: _error_handler

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/controllers/Aritmetica.php
Line: 90
Function: getCuadernosPorTipo

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

A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 1

Filename: controllers/Aritmetica.php

Line Number: 157

Backtrace:

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/controllers/Aritmetica.php
Line: 157
Function: _error_handler

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

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: tipo_op

Filename: controllers/Aritmetica.php

Line Number: 159

Backtrace:

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/controllers/Aritmetica.php
Line: 159
Function: _error_handler

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

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: body

Filename: imprimir/cuaderno_arimetica.php

Line Number: 53

Backtrace:

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/views/imprimir/cuaderno_arimetica.php
Line: 53
Function: _error_handler

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/controllers/Aritmetica.php
Line: 165
Function: view

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:

An uncaught Exception was encountered

Type: Mpdf\MpdfException

Message: Data has already been sent to output (/homepages/33/d349327298/htdocs/otraeducacion/matematicas/system/core/Exceptions.php at line 271), unable to output PDF file

Filename: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/libraries/mpdf/mpdf/mpdf/src/Mpdf.php

Line Number: 9412

Backtrace:

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/views/imprimir/cuaderno_arimetica.php
Line: 77
Function: Output

File: /homepages/33/d349327298/htdocs/otraeducacion/matematicas/application/controllers/Aritmetica.php
Line: 165
Function: view

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