https://yearbook.upgrad.com/uploads/yearbook/" alt="" class="banner-img img-fluid">
...

A PHP Error was encountered

Severity: Notice

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

Filename: front_end/team.php

Line Number: 50

Backtrace:

File: /var/www/html/application/views/front_end/team.php
Line: 50
Function: _error_handler

File: /var/www/html/application/views/front_end/index.php
Line: 38
Function: view

File: /var/www/html/application/controllers/Upgrad.php
Line: 80
Function: view

File: /var/www/html/index.php
Line: 329
Function: require_once

A PHP Error was encountered

Severity: Notice

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

Filename: front_end/team.php

Line Number: 51

Backtrace:

File: /var/www/html/application/views/front_end/team.php
Line: 51
Function: _error_handler

File: /var/www/html/application/views/front_end/index.php
Line: 38
Function: view

File: /var/www/html/application/controllers/Upgrad.php
Line: 80
Function: view

File: /var/www/html/index.php
Line: 329
Function: require_once

A PHP Error was encountered

Severity: Notice

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

Filename: front_end/team.php

Line Number: 61

Backtrace:

File: /var/www/html/application/views/front_end/team.php
Line: 61
Function: _error_handler

File: /var/www/html/application/views/front_end/index.php
Line: 38
Function: view

File: /var/www/html/application/controllers/Upgrad.php
Line: 80
Function: view

File: /var/www/html/index.php
Line: 329
Function: require_once

... ... ...

A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Upgrad.php

Line Number: 76

Backtrace:

File: /var/www/html/application/controllers/Upgrad.php
Line: 76
Function: _error_handler

File: /var/www/html/index.php
Line: 329
Function: require_once

A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Upgrad.php

Line Number: 77

Backtrace:

File: /var/www/html/application/controllers/Upgrad.php
Line: 77
Function: _error_handler

File: /var/www/html/index.php
Line: 329
Function: require_once

A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Upgrad.php

Line Number: 78

Backtrace:

File: /var/www/html/application/controllers/Upgrad.php
Line: 78
Function: _error_handler

File: /var/www/html/index.php
Line: 329
Function: require_once