diff --git a/README.md b/README.md
index c53a4ff..9d8fafc 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ roundTripper, err := auth.DefaultAuth(&config.Configuration{
     ServiceAccountKeyPath: "./service-account-key.json",
 })
 if err != nil {
-    log.Printf("Error creating authentication token: %v", err)
+    log.Fatalf("Error creating authentication token: %v", err)
 }
 
 publisher := pubsub.NewPublisher(topicID,
diff --git a/example/example_publish.go b/example/example_publish.go
index edd52cc..11fe16e 100644
--- a/example/example_publish.go
+++ b/example/example_publish.go
@@ -12,13 +12,12 @@ import (
 
 //nolint:all
 func publish() {
-
 	// Authentication with STACKIT SDK - Returns a Round-Tripper
 	rt, err := auth.DefaultAuth(&config.Configuration{
 		ServiceAccountKeyPath: "./service-account-key.json",
 	})
 	if err != nil {
-		log.Printf("Error creating authentication token: %v", err)
+		log.Fatalf("Error creating authentication token: %v", err)
 	}
 
 	// Setup your Topic ID
@@ -39,7 +38,7 @@ func publish() {
 		message,
 	)
 	if err != nil {
-		log.Printf("Error publishing message: %v", err)
+		log.Fatalf("Error publishing message: %v", err)
 	}
 
 	log.Print("Successfully published messages")
diff --git a/example/example_pull.go b/example/example_pull.go
index 0a331e5..fbe2d88 100644
--- a/example/example_pull.go
+++ b/example/example_pull.go
@@ -12,13 +12,12 @@ import (
 
 //nolint:all
 func pull() {
-
 	// Authentication with STACKIT SDK - Returns a Round-Tripper
 	rt, err := auth.DefaultAuth(&config.Configuration{
 		ServiceAccountKeyPath: "./service-account-key.json",
 	})
 	if err != nil {
-		log.Printf("Error creating authentication token: %v", err)
+		log.Fatalf("Error creating authentication token: %v", err)
 	}
 
 	// Setup your TopicID and Subscription ID
@@ -33,15 +32,24 @@ func pull() {
 	)
 
 	// Pull messages via subscription
-	pulledMessages, _ := subscriber.Pull(context.Background(), pubsub.WithMaxMessages(10))
+	pulledMessages, err := subscriber.Pull(context.Background(), pubsub.WithMaxMessages(10))
+	if err != nil {
+		log.Fatalf("Error pulling messages: %v", err)
+	}
 
 	log.Printf("Successfully pulled message: %v", pulledMessages)
 
 	// Get your AckIDs and acknowledge them
 	ackIDs := pulledMessages.GetAckIDs()
 	err = subscriber.Ack(context.Background(), ackIDs)
+	if err != nil {
+		log.Fatalf("Error ack ids: %v", err)
+	}
 
 	// Get your NackIDs and not acknowledge them
 	nackIDs := pulledMessages.GetAckIDs()
 	err = subscriber.Nack(context.Background(), nackIDs)
+	if err != nil {
+		log.Fatalf("Error nack ids: %v", err)
+	}
 }
diff --git a/example/example_purge.go b/example/example_purge.go
index 221e96e..c38cfe4 100644
--- a/example/example_purge.go
+++ b/example/example_purge.go
@@ -12,13 +12,12 @@ import (
 
 //nolint:all
 func purge() {
-
 	// Authentication with STACKIT SDK - Returns a Round-Tripper
 	rt, err := auth.DefaultAuth(&config.Configuration{
 		ServiceAccountKeyPath: "./service-account-key.json",
 	})
 	if err != nil {
-		log.Printf("Error creating authentication token: %v", err)
+		log.Fatalf("Error creating authentication token: %v", err)
 	}
 
 	// Setup your TopicID and Subscription ID
@@ -31,5 +30,7 @@ func purge() {
 	)
 
 	err = publisher.Purge(context.Background())
-
+	if err != nil {
+		log.Fatalf("Error purging topic: %v", err)
+	}
 }