An uncaught Exception was encountered

Type: TypeError

Message: Argument 1 passed to BlogWPModel::getPreviousPost() must be of the type int or null, string given, called in /home/kitutilitaire-symfony/www/application/libraries/blog/BlogWPLib.php on line 74

Filename: /home/kitutilitaire-symfony/www/application/models/blog/BlogWPModel.php

Line Number: 55

Backtrace:

File: /home/kitutilitaire-symfony/www/application/libraries/blog/BlogWPLib.php
Line: 74
Function: getPreviousPost

File: /home/kitutilitaire-symfony/www/application/controllers/blog/PageWpCtrl.php
Line: 20
Function: getPage

File: /home/kitutilitaire-symfony/www/index.php
Line: 376
Function: require_once