A PHP Error was encountered

Severity: 8192

Message: nl2br(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: frontend/detail_collection.php

Line Number: 67

Backtrace:

File: /home/vservers/dommuseum.at/www/application/views/frontend/detail_collection.php
Line: 67
Function: nl2br

File: /home/vservers/dommuseum.at/www/application/controllers/Frontend.php
Line: 669
Function: view

File: /home/vservers/dommuseum.at/www/application/controllers/Frontend.php
Line: 2541
Function: load_view

File: /home/vservers/dommuseum.at/www/index.php
Line: 292
Function: require_once