setting:
clicking at the right edit symbol is showing this error message:
--
Liip\ImagineBundle\Exception\Imagine\Filter\NonExistingFilterException: Could not find configuration for a filter: thumbnail at vendor/liip/imagine-bundle/Imagine/Filter/FilterConfiguration.php:43 at Liip\ImagineBundle\Imagine\Filter\FilterConfiguration->get('thumbnail') (vendor/liip/imagine-bundle/Imagine/Cache/CacheManager.php:288) at Liip\ImagineBundle\Imagine\Cache\CacheManager->getResolver('thumbnail', null) (vendor/liip/imagine-bundle/Imagine/Cache/CacheManager.php:258) at Liip\ImagineBundle\Imagine\Cache\CacheManager->remove(array('uploads/cmfcmf-media-module/media/24af77bc27afc152e4d0c5e85cfeff55f16bbd96.jpg'), array('thumbnail', 'cmfcmfmediamodule.custom_image_filter')) (src/extensions/cmfcmf/mediamodule/Entity/Watermark/Repository/WatermarkRepository.php:49) at Cmfcmf\Module\MediaModule\Entity\Watermark\Repository\WatermarkRepository->cleanupThumbs(object(TextWatermarkEntity), object(CacheManager)) (src/extensions/cmfcmf/mediamodule/Controller/WatermarkController.php:177) at Cmfcmf\Module\MediaModule\Controller\WatermarkController->editAction(object(Request), object(UploadableManager), object(CacheManager), object(TextWatermarkEntity)) (vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php:157) at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1) (vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php:79) at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true) (vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php:196) at Symfony\Component\HttpKernel\Kernel->handle(object(Request)) (public/index.php:35)
setting: clicking at the right edit symbol is showing this error message: