diff --git a/aas-web-ui/src/composables/Client/AASDiscoveryClient.ts b/aas-web-ui/src/composables/Client/AASDiscoveryClient.ts
index 20e440ee..13ac8137 100644
--- a/aas-web-ui/src/composables/Client/AASDiscoveryClient.ts
+++ b/aas-web-ui/src/composables/Client/AASDiscoveryClient.ts
@@ -52,8 +52,8 @@ export function useAASDiscoveryClient() {
                 const aasIds = aasDiscoveryResponse.data.result;
                 if (Array.isArray(aasIds) && aasIds.length > 0) return aasIds[0];
             }
-        } catch {
-            // handle error
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
diff --git a/aas-web-ui/src/composables/Client/AASRegistryClient.ts b/aas-web-ui/src/composables/Client/AASRegistryClient.ts
index 1b3013b0..4b5a318b 100644
--- a/aas-web-ui/src/composables/Client/AASRegistryClient.ts
+++ b/aas-web-ui/src/composables/Client/AASRegistryClient.ts
@@ -48,7 +48,8 @@ export function useAASRegistryClient() {
                 const aasDescriptors = aasRegistryResponse.data.result;
                 return aasDescriptors;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
         return failResponse;
@@ -87,7 +88,8 @@ export function useAASRegistryClient() {
             ) {
                 return aasRegistryResponse.data;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
         return failResponse;
diff --git a/aas-web-ui/src/composables/Client/AASRepositoryClient.ts b/aas-web-ui/src/composables/Client/AASRepositoryClient.ts
index d66dc5ce..7e6afd08 100644
--- a/aas-web-ui/src/composables/Client/AASRepositoryClient.ts
+++ b/aas-web-ui/src/composables/Client/AASRepositoryClient.ts
@@ -54,7 +54,8 @@ export function useAASRepositoryClient() {
                 const aasList = aasRepoResponse.data.result;
                 return aasList;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
         return failResponse;
@@ -112,7 +113,8 @@ export function useAASRepositoryClient() {
 
                 return aas;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
@@ -166,7 +168,8 @@ export function useAASRepositoryClient() {
             if (aasRepoResponse?.success && aasRepoResponse?.data && Object.keys(aasRepoResponse?.data).length > 0) {
                 return true;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
@@ -253,17 +256,17 @@ export function useAASRepositoryClient() {
                     assetInformation.defaultThumbnail.path &&
                     !assetInformation.defaultThumbnail.path.startsWith('http')
                 ) {
-                    // TODO: This does not work with active keycloak because there the thumbnail would have to be fetched with a token
                     const assetInformationThumbnailEndpoint = assetInformationEndpoint + '/thumbnail';
                     assetInformation.defaultThumbnail.path = assetInformationThumbnailEndpoint;
                     assetInformation.defaultThumbnail.isExternal = false;
-                } else {
+                } else if (assetInformation.defaultThumbnail) {
                     assetInformation.defaultThumbnail.isExternal = true;
                 }
 
                 return assetInformation;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
@@ -400,7 +403,8 @@ export function useAASRepositoryClient() {
                 const submodelRefList = aasRepoResponse.data.result;
                 return submodelRefList;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
diff --git a/aas-web-ui/src/composables/Client/CDRepositoryClient.ts b/aas-web-ui/src/composables/Client/CDRepositoryClient.ts
index b46d244a..b99af62c 100644
--- a/aas-web-ui/src/composables/Client/CDRepositoryClient.ts
+++ b/aas-web-ui/src/composables/Client/CDRepositoryClient.ts
@@ -41,7 +41,8 @@ export function useCDRepositoryClient() {
             if (cdRepoResponse.success && cdRepoResponse.data.result && cdRepoResponse.data.result.length > 0) {
                 return cdRepoResponse.data.result;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
@@ -105,7 +106,8 @@ export function useCDRepositoryClient() {
 
                 return cd;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
@@ -160,7 +162,8 @@ export function useCDRepositoryClient() {
             if (cdRepoResponse?.success && cdRepoResponse?.data && Object.keys(cdRepoResponse?.data).length > 0) {
                 return true;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
diff --git a/aas-web-ui/src/composables/Client/SMRegistryClient.ts b/aas-web-ui/src/composables/Client/SMRegistryClient.ts
index 55cf1416..817c4651 100644
--- a/aas-web-ui/src/composables/Client/SMRegistryClient.ts
+++ b/aas-web-ui/src/composables/Client/SMRegistryClient.ts
@@ -47,7 +47,8 @@ export function useSMRegistryClient() {
             ) {
                 return smRegistryResponse.data.result;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
         return failResponse;
@@ -86,7 +87,8 @@ export function useSMRegistryClient() {
             ) {
                 return smRegistryResponse.data;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
         return failResponse;
diff --git a/aas-web-ui/src/composables/Client/SMRepositoryClient.ts b/aas-web-ui/src/composables/Client/SMRepositoryClient.ts
index ff2db4be..f82eef80 100644
--- a/aas-web-ui/src/composables/Client/SMRepositoryClient.ts
+++ b/aas-web-ui/src/composables/Client/SMRepositoryClient.ts
@@ -41,7 +41,8 @@ export function useSMRepositoryClient() {
             if (smRepoResponse.success && smRepoResponse.data.result && smRepoResponse.data.result.length > 0) {
                 return smRepoResponse.data.result;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
@@ -105,7 +106,8 @@ export function useSMRepositoryClient() {
 
                 return sm;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
@@ -142,7 +144,8 @@ export function useSMRepositoryClient() {
                 const sme = smRepoResponse.data;
                 return sme;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
@@ -197,7 +200,8 @@ export function useSMRepositoryClient() {
             if (smRepoResponse?.success && smRepoResponse?.data && Object.keys(smRepoResponse?.data).length > 0) {
                 return true;
             }
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return failResponse;
         }
 
diff --git a/aas-web-ui/src/composables/DashboardHandling.ts b/aas-web-ui/src/composables/DashboardHandling.ts
index 6b35df59..db11583d 100644
--- a/aas-web-ui/src/composables/DashboardHandling.ts
+++ b/aas-web-ui/src/composables/DashboardHandling.ts
@@ -37,7 +37,8 @@ export function useDashboardHandling() {
             const response = await getRequest(path, context, disableMessage);
             if (response.success) return true;
             return false;
-        } catch {
+        } catch (e) {
+            console.warn(e);
             return false;
         }
     }