/errors/date_range_error.proto 

--- v23/errors/date_range_error.proto   2026-05-08 16:34:09.000000000 +0000
+++ v24/errors/date_range_error.proto   2026-05-08 16:34:19.000000000 +0000
@@ -51,5 +51,10 @@

     // Trying to change start date on a resource that has started.
     CANNOT_MODIFY_START_DATE_IF_ALREADY_STARTED = 6;
+
+    // The requested time granularity is not supported for the date range in the
+    // query. Metrics with daily, hourly, or weekly segmentation are only
+    // available for the last 37 months.
+    REQUESTED_DATE_GRANULARITY_NOT_SUPPORTED = 7;
   }
 }