Error: Call to a member function uid() on null
in /var/www/vhosts/production-to-go.com/httpdocs/site/templates/usecase.php:16

#0 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Filesystem/F.php(458): include()
#1 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Filesystem/F.php(393): Kirby\Filesystem\F::loadIsolated()
#2 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Filesystem/F.php(399): Kirby\Filesystem\F::Kirby\Filesystem\{closure}()
#3 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Toolkit/Tpl.php(35): Kirby\Filesystem\F::load()
#4 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Template/Template.php(164): Kirby\Toolkit\Tpl::load()
#5 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Cms/Page.php(984): Kirby\Template\Template->render()
#6 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Content/VersionId.php(106): Kirby\Cms\Page->Kirby\Cms\{closure}()
#7 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Cms/Page.php(962): Kirby\Content\VersionId::render()
#8 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Cms/App.php(803): Kirby\Cms\Page->render()
#9 /var/www/vhosts/production-to-go.com/httpdocs/kirby/src/Cms/App.php(1214): Kirby\Cms\App->io()
#10 /var/www/vhosts/production-to-go.com/httpdocs/public/index.php(105): Kirby\Cms\App->render()
#11 {main}