A PHP Error was encountered

Severity: 8192

Message: trim(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: models/Allied_model.php

Line Number: 291

Backtrace:

File: /var/www/vhosts/alliedtools.construction/private/application/models/Allied_model.php
Line: 291
Function: trim

File: /var/www/vhosts/alliedtools.construction/private/application/controllers/Products.php
Line: 114
Function: CategorySearch

File: /var/www/vhosts/alliedtools.construction/public/index.php
Line: 319
Function: require_once