From 99da798ac55b6429d38542671b3a856e2ebcf74e Mon Sep 17 00:00:00 2001
From: berliner <berliner@dev030.com>
Date: Thu, 31 Oct 2024 15:49:59 +0100
Subject: [PATCH] HPC-9848: Fix error when creating a baseline for a sparkline
 chart item if there is no value for any reporting period

---
 .../src/Plugin/ConfigurationContainerItem/SparkLineChart.php    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/html/modules/custom/ghi_blocks/src/Plugin/ConfigurationContainerItem/SparkLineChart.php b/html/modules/custom/ghi_blocks/src/Plugin/ConfigurationContainerItem/SparkLineChart.php
index 7305de051..f4607f8ea 100644
--- a/html/modules/custom/ghi_blocks/src/Plugin/ConfigurationContainerItem/SparkLineChart.php
+++ b/html/modules/custom/ghi_blocks/src/Plugin/ConfigurationContainerItem/SparkLineChart.php
@@ -270,7 +270,7 @@ public function getRenderArray() {
 
     // Add a baseline if needed.
     if ($show_baseline) {
-      $baseline_value = $attachment->getMeasurementMetricValue($baseline, $last_reporting_period->id());
+      $baseline_value = $attachment->getMeasurementMetricValue($baseline, $last_reporting_period?->id() ?? 'latest');
     }
 
     // Render the chart.