A PHP Error was encountered

Severity: Notice

Message: Undefined variable: datavalue

Filename: models/M_store.php

Line Number: 131

Backtrace:

File: /var/www/html/application/modules/store/models/M_store.php
Line: 131
Function: _error_handler

File: /var/www/html/application/modules/store/controllers/Store.php
Line: 69
Function: getRelatedStores

File: /var/www/html/index.php
Line: 315
Function: require_once