diff --git a/dmp-backend/core/src/main/java/eu/eudat/service/transformer/FileTransformerService.java b/dmp-backend/core/src/main/java/eu/eudat/service/transformer/FileTransformerService.java
index e7a8bd2b0..a70090103 100644
--- a/dmp-backend/core/src/main/java/eu/eudat/service/transformer/FileTransformerService.java
+++ b/dmp-backend/core/src/main/java/eu/eudat/service/transformer/FileTransformerService.java
@@ -110,13 +110,21 @@ public class FileTransformerService {
             //GK: So much for lazy loading
             List<TransformerRepository> repositories = transformerProperties.getSources().stream().map(depositSource -> getRepository(depositSource.getCodes().get(0))).toList();
 
+            repositories = new ArrayList<>(repositories);
+            List<TransformerRepository> toDelete = new ArrayList<>();
             repositories.forEach((client) -> {
-                FileTransformerConfiguration repositoryConfigs = client.getConfiguration();
-                if (repositoryConfigs != null && !repositoryConfigs.getExportVariants().isEmpty()) {
-                    configurations.addAll(repositoryConfigs.getExportVariants());
+                try {
+                    FileTransformerConfiguration repositoryConfigs = client.getConfiguration();
+                    if (repositoryConfigs != null && !repositoryConfigs.getExportVariants().isEmpty()) {
+                        configurations.addAll(repositoryConfigs.getExportVariants());
+                    }
+                } catch (Exception e) {
+                    toDelete.add(client);
                 }
             });
 
+            repositories.removeAll(toDelete);
+
             configs = new TransformerCacheModel(configurations);
             this.fileTransformerConfigurationCache.put("base", configs);
         }