/errors/experiment_error.proto

--- v18/errors/experiment_error.proto   2024-10-16 17:56:30.000000000 +0000
+++ v19/errors/experiment_error.proto   2025-08-05 14:18:35.000000000 +0000
@@ -1,136 +1,140 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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.v18.errors;
+package google.ads.googleads.v19.errors;

-option csharp_namespace = "Google.Ads.GoogleAds.V18.Errors";
-option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v18/errors;errors";
+option csharp_namespace = "Google.Ads.GoogleAds.V19.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v19/errors;errors";
 option java_multiple_files = true;
 option java_outer_classname = "ExperimentErrorProto";
-option java_package = "com.google.ads.googleads.v18.errors";
+option java_package = "com.google.ads.googleads.v19.errors";
 option objc_class_prefix = "GAA";
-option php_namespace = "Google\\Ads\\GoogleAds\\V18\\Errors";
-option ruby_package = "Google::Ads::GoogleAds::V18::Errors";
+option php_namespace = "Google\\Ads\\GoogleAds\\V19\\Errors";
+option ruby_package = "Google::Ads::GoogleAds::V19::Errors";

 // Proto file describing experiment errors.

 // Container for enum describing possible experiment error.
 message ExperimentErrorEnum {
   // Enum describing possible experiment errors.
   enum ExperimentError {
     // Enum unspecified.
     UNSPECIFIED = 0;

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

     // The start date of an experiment cannot be set in the past.
     // Use a start date in the future.
     CANNOT_SET_START_DATE_IN_PAST = 2;

     // The end date of an experiment is before its start date.
     // Use an end date after the start date.
     END_DATE_BEFORE_START_DATE = 3;

     // The start date of an experiment is too far in the future.
     // Use a start date no more than 1 year in the future.
     START_DATE_TOO_FAR_IN_FUTURE = 4;

     // The experiment has the same name as an existing active experiment.
     DUPLICATE_EXPERIMENT_NAME = 5;

     // Experiments can only be modified when they are ENABLED.
     CANNOT_MODIFY_REMOVED_EXPERIMENT = 6;

     // The start date of an experiment cannot be modified if the existing start
     // date has already passed.
     START_DATE_ALREADY_PASSED = 7;

     // The end date of an experiment cannot be set in the past.
     CANNOT_SET_END_DATE_IN_PAST = 8;

     // The status of an experiment cannot be set to REMOVED.
     CANNOT_SET_STATUS_TO_REMOVED = 9;

     // The end date of an expired experiment cannot be modified.
     CANNOT_MODIFY_PAST_END_DATE = 10;

     // The status is invalid.
     INVALID_STATUS = 11;

     // Experiment arm contains campaigns with invalid advertising channel type.
     INVALID_CAMPAIGN_CHANNEL_TYPE = 12;

     // A pair of trials share members and have overlapping date ranges.
     OVERLAPPING_MEMBERS_AND_DATE_RANGE = 13;

     // Experiment arm contains invalid traffic split.
     INVALID_TRIAL_ARM_TRAFFIC_SPLIT = 14;

     // Experiment contains trial arms with overlapping traffic split.
     TRAFFIC_SPLIT_OVERLAPPING = 15;

     // The total traffic split of trial arms is not equal to 100.
     SUM_TRIAL_ARM_TRAFFIC_UNEQUALS_TO_TRIAL_TRAFFIC_SPLIT_DENOMINATOR = 16;

     // Traffic split related settings (like traffic share bounds) can't be
     // modified after the experiment has started.
     CANNOT_MODIFY_TRAFFIC_SPLIT_AFTER_START = 17;

     // The experiment could not be found.
     EXPERIMENT_NOT_FOUND = 18;

     // Experiment has not begun.
     EXPERIMENT_NOT_YET_STARTED = 19;

     // The experiment cannot have more than one control arm.
     CANNOT_HAVE_MULTIPLE_CONTROL_ARMS = 20;

     // The experiment doesn't set in-design campaigns.
     IN_DESIGN_CAMPAIGNS_NOT_SET = 21;

     // Clients must use the graduate action to graduate experiments and cannot
     // set the status to GRADUATED directly.
     CANNOT_SET_STATUS_TO_GRADUATED = 22;

     // Cannot use shared budget on base campaign when scheduling an experiment.
     CANNOT_CREATE_EXPERIMENT_CAMPAIGN_WITH_SHARED_BUDGET = 23;

     // Cannot use custom budget on base campaign when scheduling an experiment.
     CANNOT_CREATE_EXPERIMENT_CAMPAIGN_WITH_CUSTOM_BUDGET = 24;

     // Invalid status transition.
     STATUS_TRANSITION_INVALID = 25;

     // The experiment campaign name conflicts with a pre-existing campaign.
     DUPLICATE_EXPERIMENT_CAMPAIGN_NAME = 26;

     // Cannot remove in creation experiments.
     CANNOT_REMOVE_IN_CREATION_EXPERIMENT = 27;

     // Cannot add campaign with deprecated ad types. Deprecated ad types:
     // ENHANCED_DISPLAY, GALLERY, GMAIL, KEYWORDLESS, TEXT.
     CANNOT_ADD_CAMPAIGN_WITH_DEPRECATED_AD_TYPES = 28;

     // Sync can only be enabled for supported experiment types. Supported
     // experiment types: SEARCH_CUSTOM, DISPLAY_CUSTOM,
     // DISPLAY_AUTOMATED_BIDDING_STRATEGY, SEARCH_AUTOMATED_BIDDING_STRATEGY.
     CANNOT_ENABLE_SYNC_FOR_UNSUPPORTED_EXPERIMENT_TYPE = 29;

     // Experiment length cannot be longer than max length.
     INVALID_DURATION_FOR_AN_EXPERIMENT = 30;
+
+    // The experiment's campaigns must self-declare whether they contain
+    // political advertising that targets the European Union.
+    MISSING_EU_POLITICAL_ADVERTISING_SELF_DECLARATION = 31;
   }
 }