Bugfix/issue in treemap chart component with empty holdings (#7213)

* Resolve issue with empty holdings

* Update changelog

CHANGELOG.md

@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Resolved an issue in the treemap chart component when the holdings list is empty
 - Fixed the market condition of the benchmarks in the twitter bot service when values round to zero
 
 ## 3.19.1 - 2026-07-03

libs/ui/src/lib/treemap-chart/treemap-chart.component.ts

@@ -207,6 +207,10 @@ export class GfTreemapChartComponent
       datasets: [
         {
           backgroundColor: (context: GfTreemapScriptableContext) => {
+            if (!context.raw) {
+              return undefined;
+            }
+
             let annualizedNetPerformancePercent =
               getAnnualizedPerformancePercent({
                 daysInMarket: differenceInDays(
@@ -239,6 +243,10 @@ export class GfTreemapChartComponent
           labels: {
             align: 'left',
             color: (context: GfTreemapScriptableContext) => {
+              if (!context.raw) {
+                return undefined;
+              }
+
               let annualizedNetPerformancePercent =
                 getAnnualizedPerformancePercent({
                   daysInMarket: differenceInDays(