diff --git a/lib/Migration/Version2404Date20220903071748.php b/lib/Migration/Version2404Date20220903071748.php
index e1404d6..a6c3859 100644
--- a/lib/Migration/Version2404Date20220903071748.php
+++ b/lib/Migration/Version2404Date20220903071748.php
@@ -89,6 +89,9 @@ private function getDatasetsToMigrate() : array {
 				$workflowSettings = json_decode($row['operation'], true);
 				$foundMapping = false;
 				$newLangArr = [];
+				if (!array_key_exists('languages', $workflowSettings)) {
+					continue;
+				}
 				$languagesArr = $workflowSettings['languages'];
 
 				// Check if we need to migrate the languages code.
diff --git a/tests/Unit/BackgroundJobs/ProcessFileJobTest.php b/tests/Unit/BackgroundJobs/ProcessFileJobTest.php
index 4bc7568..653139f 100644
--- a/tests/Unit/BackgroundJobs/ProcessFileJobTest.php
+++ b/tests/Unit/BackgroundJobs/ProcessFileJobTest.php
@@ -144,7 +144,8 @@ public function setUp() : void {
 		$this->jobList = new JobList(
 			$connectionMock,
 			$configMock,
-			$timeFactoryMock
+			$timeFactoryMock,
+			$this->logger
 		);
 
 		$this->processFileJob->setArgument([