Unsupported operand types: int / string|#0 /customers/d/2/e/et-foto.dk/httpd.www/backlight/modules/module-publisher/application/models/Album.php(939): Album->getPageNumberForPhoto(Object(Photo))
#1 /customers/d/2/e/et-foto.dk/httpd.www/backlight/data/designer/cache/95-page-3.0.4-17-76-menu_35-92-single-3.0.4-16-63-1.view-1.template(344): Album->getIndexPageForPhoto(Object(Photo))
#2 /customers/d/2/e/et-foto.dk/httpd.www/backlight/modules/module-designer/application/helpers/CacheHelper.php(62): require_once('/customers/d/2/...')
#3 /customers/d/2/e/et-foto.dk/httpd.www/backlight/modules/module-designer/application/models/GenericEngine.php(618): CacheHelper::includeCachedFile('95-page-3.0.4-1...', Array)
#4 /customers/d/2/e/et-foto.dk/httpd.www/backlight/modules/module-designer/application/helpers/EngineFactory.php(187): GenericEngine->renderView('page', Object(EngineFactory), 'view')
#5 /customers/d/2/e/et-foto.dk/httpd.www/backlight/modules/module-publisher/application/controllers/GalleryController.php(388): EngineFactory->renderEngineForTemplateWithView('16', 'single', Array)
#6 /customers/d/2/e/et-foto.dk/httpd.www/backlight/modules/module-framework/controllers/Controller.php(56): GalleryController->single('20160403-1248-2...')
#7 /customers/d/2/e/et-foto.dk/httpd.www/backlight/modules/module-framework/models/Dispatchable.php(136): Controller->dispatch(Array)
#8 /customers/d/2/e/et-foto.dk/httpd.www/backlight/modules/module-framework/Framework.php(73): Dispatchable->dispatch()
#9 /customers/d/2/e/et-foto.dk/httpd.www/galleries/0greenland/01-acr2016/06-3-day-3-finish-line/single.php(9): Framework->route()
#10 {main}|URL: /galleries/0greenland/01-acr2016/06-3-day-3-finish-line/single.php