Fix crash

app/src/main/java/net/pokeranalytics/android/ui/fragment/GraphFragment.kt

@@ -157,8 +157,10 @@ class GraphFragment : PokerAnalyticsFragment(), OnChartValueSelectedListener {
 			barChart.data = barData
 
 			dataSets.firstOrNull()?.let {
-				val entry = it.getEntryForIndex(0)
+				if (it.entryCount > 0) {
-				this.chartView?.highlightValue(entry.x, 0)
+					val entry = it.getEntryForIndex(0)
+					this.chartView?.highlightValue(entry.x, 0)
+				}
 			}
 		}