diff --git a/WebAPP/AppResults/Model/Pivot.Model.js b/WebAPP/AppResults/Model/Pivot.Model.js
index 86804ca9..f9c67089 100644
--- a/WebAPP/AppResults/Model/Pivot.Model.js
+++ b/WebAPP/AppResults/Model/Pivot.Model.js
@@ -7,7 +7,8 @@ export class Model {
         let group = 'RYT';
         let param = 'ANC';
 
-        let CUSTOM_INDICATORS = DataModelResult.mergeAllIndicatorsGrouped(INDICATORS, genData['osy-indicators']);
+        // `|| []` guards pre-v5.6 cases that have no osy-indicators
+        let CUSTOM_INDICATORS = DataModelResult.mergeAllIndicatorsGrouped(INDICATORS, genData['osy-indicators'] || []);
 
          console.log('VARIABLES original ', VARIABLES)
          console.log('CUSTOM_INDICATORS ', CUSTOM_INDICATORS)
diff --git a/WebAPP/Classes/DataModelResult.Class.js b/WebAPP/Classes/DataModelResult.Class.js
index a6b7f858..faaeae39 100644
--- a/WebAPP/Classes/DataModelResult.Class.js
+++ b/WebAPP/Classes/DataModelResult.Class.js
@@ -387,7 +387,8 @@ export class DataModelResult{
 
 
     static mergeAllIndicatorsGrouped(indicatorTypesJson, customIndicators) {
-        console.log('customIndicators ', customIndicators)
+        // guard pre-v5.6 cases whose genData has no osy-indicators array
+        const customList = Array.isArray(customIndicators) ? customIndicators : [];
         // 1) Sakupi sve tipove indikatora + group info
         const typeById = {};
 
@@ -405,7 +406,7 @@ export class DataModelResult{
         const result = {};
 
         // 3) obrada custom indikatora
-        for (const item of customIndicators) {
+        for (const item of customList) {
             if (!item || typeof item !== "object") continue;
 
             const indicatorName = item["Indicator"];