/errors/campaign_error.proto 

--- v25/errors/campaign_error.proto 2026-10-09 20:57:59.000000000 +0000
+++ v26/errors/campaign_error.proto 2026-10-09 20:58:06.000000000 +0000
@@ -400,5 +400,22 @@

     // Campaigns with total budgets must have end date/time specified.
     END_DATE_TIME_REQUIRED_FOR_TOTAL_BUDGET = 112;
+
+    // Multiple Local Services Performance Max campaigns are not allowed under a
+    // single customer.
+    LOCAL_SERVICES_MULTIPLE_PERFORMANCE_MAX_CAMPAIGNS_NOT_ALLOWED = 113;
+
+    // The Local Services Terms of Service must be accepted before creating or
+    // enabling a Local Services Performance Max campaign.
+    LOCAL_SERVICES_AGREEMENT_REQUIRED = 114;
+
+    // The listing ID provided on the Local Services Performance Max campaign
+    // settings is invalid or not linked to the account as an enabled LOCATION
+    // asset.
+    INVALID_LOCAL_SERVICES_PERFORMANCE_MAX_LISTING_ID = 115;
+
+    // A linked Hotel Center account is required for the hotel property asset
+    // set.
+    HOTEL_PROPERTY_ASSET_SET_HOTEL_CENTER_LINK_REQUIRED = 118;
   }
 }