--- /dev/null
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerManagerLinkErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+option ruby_package = "Google::Ads::GoogleAds::V0::Errors";
+
+// Proto file describing CustomerManagerLink errors.
+
+// Container for enum describing possible CustomerManagerLink errors.
+message CustomerManagerLinkErrorEnum {
+ // Enum describing possible CustomerManagerLink errors.
+ enum CustomerManagerLinkError {
+ // Enum unspecified.
+ UNSPECIFIED = 0;
+
+ // The received error code is not known in this version.
+ UNKNOWN = 1;
+
+ // No pending invitation.
+ NO_PENDING_INVITE = 2;
+
+ // Attempt to operate on the same client more than once in the same call.
+ SAME_CLIENT_MORE_THAN_ONCE_PER_CALL = 3;
+
+ // Manager account has the maximum number of linked accounts.
+ MANAGER_HAS_MAX_NUMBER_OF_LINKED_ACCOUNTS = 4;
+
+ // If no active user on account it cannot be unlinked from its manager.
+ CANNOT_UNLINK_ACCOUNT_WITHOUT_ACTIVE_USER = 5;
+
+ // Account should have at least one active owner on it before being
+ // unlinked.
+ CANNOT_REMOVE_LAST_CLIENT_ACCOUNT_OWNER = 6;
+
+ // Only account owners may change their permission role.
+ CANNOT_CHANGE_ROLE_BY_NON_ACCOUNT_OWNER = 7;
+
+ // When a client's link to its manager is not active, the link role cannot
+ // be changed.
+ CANNOT_CHANGE_ROLE_FOR_NON_ACTIVE_LINK_ACCOUNT = 8;
+
+ // Attempt to link a child to a parent that contains or will contain
+ // duplicate children.
+ DUPLICATE_CHILD_FOUND = 9;
+ }
+}