/errors/asset_group_signal_error.proto

--- v23/errors/asset_group_signal_error.proto   2026-06-18 21:20:44.000000000 +0000
+++ v24/errors/asset_group_signal_error.proto   2026-06-18 18:19:59.000000000 +0000
@@ -1,54 +1,58 @@
 // 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.v23.errors;
+package google.ads.googleads.v24.errors;

-option csharp_namespace = "Google.Ads.GoogleAds.V23.Errors";
-option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v23/errors;errors";
+option csharp_namespace = "Google.Ads.GoogleAds.V24.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v24/errors;errors";
 option java_multiple_files = true;
 option java_outer_classname = "AssetGroupSignalErrorProto";
-option java_package = "com.google.ads.googleads.v23.errors";
+option java_package = "com.google.ads.googleads.v24.errors";
 option objc_class_prefix = "GAA";
-option php_namespace = "Google\\Ads\\GoogleAds\\V23\\Errors";
-option ruby_package = "Google::Ads::GoogleAds::V23::Errors";
+option php_namespace = "Google\\Ads\\GoogleAds\\V24\\Errors";
+option ruby_package = "Google::Ads::GoogleAds::V24::Errors";

 // Proto file describing asset group signal errors.

 // Container for enum describing possible asset group signal errors.
 message AssetGroupSignalErrorEnum {
   // Enum describing possible asset group signal errors.
   enum AssetGroupSignalError {
     // Enum unspecified.
     UNSPECIFIED = 0;

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

     // The number of words in the Search Theme signal exceed the allowed
     // maximum. You can add up to 10 words in a keyword. See
     // https://support.google.com/google-ads/answer/7476658 for details.
     TOO_MANY_WORDS = 2;

     // The search theme requested to be added violates certain policy.
     // See https://support.google.com/adspolicy/answer/6008942.
     SEARCH_THEME_POLICY_VIOLATION = 3;

     // The asset group referenced by the asset group signal does not match the
     // asset group referenced by the audience being used in the asset group
     // signal.
     AUDIENCE_WITH_WRONG_ASSET_GROUP_ID = 4;
+
+    // The asset group signal cannot be removed because it is the last one in
+    // the Local Services Ads PMax asset group.
+    CANNOT_REMOVE_ALL_SIGNALS = 5;
   }
 }