/errors/campaign_goal_config_error.proto

--- v25/errors/campaign_goal_config_error.proto 2026-10-09 20:57:58.000000000 +0000
+++ v26/errors/campaign_goal_config_error.proto 2026-10-09 20:58:06.000000000 +0000
@@ -86,5 +86,17 @@
     // supported for certain campaign types.
     CAMPAIGN_OVERRIDE_HIGH_LIFETIME_VALUE_MULTIPLIER_NOT_SUPPORTED_FOR_CAMPAIGN_TYPE =
         19;
+
+    // Local Services conversion goals cannot be unlinked from a Local Services
+    // Performance Max campaign.
+    CANNOT_UNLINK_LOCAL_SERVICES_GOAL_FROM_LOCAL_SERVICES_CAMPAIGN = 20;
+
+    // Non-Local Services conversion goals are not allowed for a Local Services
+    // Performance Max campaign.
+    GOAL_NOT_ALLOWED_FOR_LOCAL_SERVICES_CAMPAIGN = 21;
+
+    // Local Services conversion goals cannot be used on a non-Local Services
+    // campaign.
+    LOCAL_SERVICES_GOAL_NOT_ALLOWED_FOR_NON_LOCAL_SERVICES_CAMPAIGN = 22;
   }
 }