diff --git a/src/main/java/org/embulk/input/google_ads/GoogleAdsReporter.java b/src/main/java/org/embulk/input/google_ads/GoogleAdsReporter.java
index 764f55d..efd65bb 100644
--- a/src/main/java/org/embulk/input/google_ads/GoogleAdsReporter.java
+++ b/src/main/java/org/embulk/input/google_ads/GoogleAdsReporter.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.databind.node.JsonNodeType;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.google.ads.googleads.lib.GoogleAdsClient;
+import com.google.ads.googleads.v16.errors.GoogleAdsException;
 import com.google.ads.googleads.v16.resources.CustomerName;
 import com.google.ads.googleads.v16.services.CustomerServiceClient;
 import com.google.ads.googleads.v16.services.GoogleAdsRow;
@@ -15,6 +16,8 @@
 import com.google.ads.googleads.v16.services.SearchGoogleAdsRequest;
 import com.google.ads.googleads.v16.services.SearchGoogleAdsStreamRequest;
 import com.google.ads.googleads.v16.services.SearchGoogleAdsStreamResponse;
+import com.google.api.gax.rpc.DeadlineExceededException;
+import com.google.api.gax.rpc.PermissionDeniedException;
 import com.google.auth.oauth2.UserCredentials;
 import com.google.common.base.CaseFormat;
 import com.google.protobuf.Descriptors;
@@ -29,6 +32,7 @@
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -315,6 +319,9 @@ private List<Long> getLoginCustomerIds(String customerId)
                     .filter(loginCustomerClient -> loginCustomerClient.customerClientId.equals(customerId))
                     .map(loginCustomerClient -> Long.valueOf(loginCustomerClient.loginCustomerId))
                     .collect(Collectors.toList());
+        } catch (GoogleAdsException | DeadlineExceededException | PermissionDeniedException e) {
+            logger.info("ignore invalid customer [customer id: {}]", customerId, e);
+            return Collections.emptyList();
         }
     }
 
@@ -331,6 +338,9 @@ private List<LoginCustomerClient> getLoginCustomerClients(String customerId)
                     .map(GoogleAdsRow::getCustomerClient)
                     .map(customerClient -> new LoginCustomerClient(customerId, customerClient.getId()))
                     .collect(Collectors.toList());
+        } catch (GoogleAdsException | DeadlineExceededException | PermissionDeniedException e) {
+            logger.info("ignore invalid customer [customer id: {}]", customerId, e);
+            return Collections.emptyList();
         }
     }