/errors/asset_set_link_error.proto

--- v25/errors/asset_set_link_error.proto   2026-07-21 22:09:38.000000000 +0000
+++ v26/errors/asset_set_link_error.proto   2026-10-09 18:55:53.000000000 +0000
@@ -1,57 +1,61 @@
 // Copyright 2026 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.v25.errors;
+package google.ads.googleads.v26.errors;

-option csharp_namespace = "Google.Ads.GoogleAds.V25.Errors";
-option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v25/errors;errors";
+option csharp_namespace = "Google.Ads.GoogleAds.V26.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v26/errors;errors";
 option java_multiple_files = true;
 option java_outer_classname = "AssetSetLinkErrorProto";
-option java_package = "com.google.ads.googleads.v25.errors";
+option java_package = "com.google.ads.googleads.v26.errors";
 option objc_class_prefix = "GAA";
-option php_namespace = "Google\\Ads\\GoogleAds\\V25\\Errors";
-option ruby_package = "Google::Ads::GoogleAds::V25::Errors";
+option php_namespace = "Google\\Ads\\GoogleAds\\V26\\Errors";
+option ruby_package = "Google::Ads::GoogleAds::V26::Errors";

 // Proto file describing asset set link errors.

 // Container for enum describing possible asset set link errors.
 message AssetSetLinkErrorEnum {
   // Enum describing possible asset set link errors.
   enum AssetSetLinkError {
     // Enum unspecified.
     UNSPECIFIED = 0;

     // The received error code is not known in this version.
     UNKNOWN = 1;

     // Advertising channel type cannot be attached to the asset set due to
     // channel-based restrictions.
     INCOMPATIBLE_ADVERTISING_CHANNEL_TYPE = 2;

     // For this asset set type, only one campaign to feed linkage is allowed.
     DUPLICATE_FEED_LINK = 3;

     // The asset set type and campaign type are incompatible.
     INCOMPATIBLE_ASSET_SET_TYPE_WITH_CAMPAIGN_TYPE = 4;

     // Cannot link duplicate asset sets to the same campaign.
     DUPLICATE_ASSET_SET_LINK = 5;

     // Cannot remove the asset set link. If a campaign is linked with only one
     // asset set and you attempt to unlink them, this error will be triggered.
     ASSET_SET_LINK_CANNOT_BE_REMOVED = 6;
+
+    // The location asset in this AssetSet does not match the campaign's listing
+    // ID.
+    LOCATION_ASSET_DOES_NOT_MATCH_CAMPAIGN_LISTING_ID = 9;
   }
 }