Major system error

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[Error] Call to a member function clef() on null

/home/ftpleviv/public_html/petitbouteur/controleurs/pages.php:231
via \pb\gestionnaire_d_exceptions
https://www.levivier.ca/en/apropos/rapports/annuels/
2018-09-19 20:27:21
Petitbouteur 0.35.352/2018-09-18
PHP 7.0.32 (Linux)

[8] /rouages/controle.php:903 / pb\Controleur->__activation()
[7] /rouages/controle.php:628 / pb\ControleurNormal->appelle()
[6] /rouages/controle.php:1721 / pb\Controleur->execute([ 'langue'=>'en','nom'=>'annuels', ])
[5] /rouages/routage.php:148 / pb\Destination->execute()
[4] /rouages/fondation.php:668 / pb\Route::execute('/en/apropos/rapports/annuels/', null)
[3] /petitbouteur.php:703 / pb\Fondation->initialise_appli([  ])
[2] /petitbouteur.php:750 / pb\initialise_appli([  ])
[1] /home/ftpleviv/public_html/index.php:6 / pb\PB::init()