A PHP Error was encountered

Severity: Warning

Message: Trying to access array offset on value of type null

Filename: models/Calendar_model.php

Line Number: 516

Backtrace:

File: D:\Websites\_enspiremanager4.0\application\models\Calendar_model.php
Line: 516
Function: _error_handler

File: D:\Websites\_enspiremanager4.0\application\models\Calendar_model.php
Line: 478
Function: html2rgb

File: D:\Websites\_enspiremanager4.0\application\controllers\Calendar.php
Line: 35
Function: pdf_calendar

File: D:\Websites\_enspiremanager4.0\index.php
Line: 316
Function: require_once

An uncaught Exception was encountered

Type: Exception

Message: FPDF error: Some data has already been output, can't send PDF file

Filename: D:\Websites\_enspiremanager4.0\application\library\fpdf\fpdf.php

Line Number: 271

Backtrace:

File: D:\Websites\_enspiremanager4.0\application\library\fpdf\fpdf.php
Line: 1063
Function: Error

File: D:\Websites\_enspiremanager4.0\application\library\fpdf\fpdf.php
Line: 999
Function: _checkoutput

File: D:\Websites\_enspiremanager4.0\application\models\Calendar_model.php
Line: 512
Function: Output

File: D:\Websites\_enspiremanager4.0\application\controllers\Calendar.php
Line: 35
Function: pdf_calendar

File: D:\Websites\_enspiremanager4.0\index.php
Line: 316
Function: require_once