A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 0

Filename: controllers/A2z.php

Line Number: 153

Backtrace:

File: /home/c8w19n63gja7/public_html/a2zithub.org/training/application/controllers/A2z.php
Line: 153
Function: _error_handler

File: /home/c8w19n63gja7/public_html/a2zithub.org/training/index.php
Line: 315
Function: require_once

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