A PHP Error was encountered

Severity: Notice

Message: Undefined variable: center_id

Filename: controllers/Centers.php

Line Number: 123

Backtrace:

File: /var/www/html/bn/application/controllers/Centers.php
Line: 123
Function: _error_handler

File: /var/www/html/bn/index.php
Line: 297
Function: require_once

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