From 7850904c71652f59dd60929263be8ee2f3c83e66 Mon Sep 17 00:00:00 2001
From: J-N-K <J-N-K@users.noreply.github.com>
Date: Sun, 1 Nov 2020 10:47:18 +0100
Subject: [PATCH] fix #8924 (#8925)

Signed-off-by: Jan N. Klug <jan.n.klug@rub.de>
---
 .../openhab/binding/linky/internal/handler/LinkyHandler.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bundles/org.openhab.binding.linky/src/main/java/org/openhab/binding/linky/internal/handler/LinkyHandler.java b/bundles/org.openhab.binding.linky/src/main/java/org/openhab/binding/linky/internal/handler/LinkyHandler.java
index d164e8aa1..a4e19d0dd 100644
--- a/bundles/org.openhab.binding.linky/src/main/java/org/openhab/binding/linky/internal/handler/LinkyHandler.java
+++ b/bundles/org.openhab.binding.linky/src/main/java/org/openhab/binding/linky/internal/handler/LinkyHandler.java
@@ -222,6 +222,10 @@ public class LinkyHandler extends BaseThingHandler {
             Consumption result = cachedMonthlyData.getValue();
             if (result != null) {
                 Aggregate months = result.aggregats.months;
+                if (months.datas.size() < 2) {
+                    logger.debug("Received data array too small (required size is 2): {}", months);
+                    return;
+                }
                 updateKwhChannel(LAST_MONTH, months.datas.get(0));
                 updateKwhChannel(THIS_MONTH, months.datas.get(1));
             }