Update KarmaService.php

extensions/karma/Classes/Service/KarmaService.php

@@ -57,7 +57,7 @@ class KarmaService implements \TYPO3\CMS\Core\SingletonInterface
         $objectManager = GeneralUtility::makeInstance(\TYPO3\CMS\Extbase\Object\ObjectManager::class);
         /** @var \TYPO3\CMS\Extbase\Configuration\ConfigurationManager $configurationManager */
         $configurationManager = $objectManager->get(\TYPO3\CMS\Extbase\Configuration\ConfigurationManager::class);
-+        $this->settings = $configurationManager->getConfiguration(
+        $this->settings = $configurationManager->getConfiguration(
             \TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface::CONFIGURATION_TYPE_SETTINGS,
             'karma'
         );