ErrorException Warning: Undefined array key "customer_defined"

[contaoacademy]

Warning: Undefined array key "customer_defined"

  at vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Model/Attribute.php:656
  at Isotope\Model\Attribute::getCustomerDefinedFields()
     (vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Module/ProductList.php:487)
  at Isotope\Module\ProductList->getDefaultProductOptions()
     (vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Module/ProductList.php:224)
  at Isotope\Module\ProductList->compile()
     (vendor/contao/core-bundle/src/Resources/contao/modules/Module.php:214)
  at Contao\Module->generate()
     (vendor/codefog/contao-haste/library/Haste/Frontend/AbstractFrontendModule.php:52)
  at Haste\Frontend\AbstractFrontendModule->generate()
     (vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Module/Module.php:115)
  at Isotope\Module\Module->generate()
     (vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Module/ProductList.php:103)
  at Isotope\Module\ProductList->generate()
     (vendor/contao/core-bundle/src/Resources/contao/elements/ContentModule.php:98)
  at Contao\ContentModule->generate()
     (vendor/contao/core-bundle/src/Resources/contao/library/Contao/Controller.php:615)
  at Contao\Controller::getContentElement(object(ContentModel), 'main')
     (vendor/contao/core-bundle/src/Resources/contao/modules/ModuleArticle.php:197)
  at Contao\ModuleArticle->compile()
     (vendor/contao/core-bundle/src/Resources/contao/modules/Module.php:214)
  at Contao\Module->generate()
     (vendor/contao/core-bundle/src/Resources/contao/modules/ModuleArticle.php:70)
  at Contao\ModuleArticle->generate(false)
     (vendor/contao/core-bundle/src/Resources/contao/library/Contao/Controller.php:543)
  at Contao\Controller::getArticle(object(ArticleModel), false, false, 'main')
     (vendor/contao/core-bundle/src/Resources/contao/library/Contao/Controller.php:385)
  at Contao\Controller::getFrontendModule('0', 'main')
     (vendor/contao/core-bundle/src/Resources/contao/pages/PageRegular.php:190)
  at Contao\PageRegular->prepare(object(PageModel))
     (vendor/contao/core-bundle/src/Resources/contao/pages/PageRegular.php:60)
  at Contao\PageRegular->getResponse(object(PageModel), true)
     (vendor/contao/core-bundle/src/Resources/contao/controllers/FrontendIndex.php:316)
  at Contao\FrontendIndex->renderPage(object(PageModel))
     (vendor/symfony/http-kernel/HttpKernel.php:152)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1)
     (vendor/symfony/http-kernel/HttpKernel.php:74)
  at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true)
     (vendor/symfony/http-kernel/Kernel.php:202)
  at Symfony\Component\HttpK
```ernel\Kernel->handle(object(Request))
     (public/index.php:44)   

[aschempp]

fixed in c3a9bc3