diff --git a/src/app/openaireLibrary b/src/app/openaireLibrary
index bdce56a..876b51d 160000
--- a/src/app/openaireLibrary
+++ b/src/app/openaireLibrary
@@ -1 +1 @@
-Subproject commit bdce56aff9e458d4d24da9a9a0fca28e100372ad
+Subproject commit 876b51d4205c7941862b5455f0763df7a66ffcd1
diff --git a/src/app/topic/indicators.component.ts b/src/app/topic/indicators.component.ts
index 7223394..07a1546 100644
--- a/src/app/topic/indicators.component.ts
+++ b/src/app/topic/indicators.component.ts
@@ -1201,6 +1201,24 @@ export class IndicatorsComponent implements OnInit, OnDestroy, OnChanges, AfterV
   private checkForSchemaEnhancements(url: string) {
     this.showCheckForSchemaEnhancements = this.isAdministrator && url && !this.properties.useOldStatisticsSchema && this.indicatorUtils.checkForSchemaEnhancements(url);
   }
+  migrateFromOldImportJsonFile(charts){
+    // first section contains numbers
+    // second contains charts
+    let hasNumbers = false;
+     for (let chart of charts) {
+      if (chart['type'] == 'number') {
+        hasNumbers = true;
+        break;
+      }
+    }
+    let chartsSection = (hasNumbers?1:0); // no numbers: first sections contains charts 
+    for (let chart of charts) {
+      if (chart['sectionIndex'] == null) {
+        chart['sectionIndex'] = chart['type'] == 'chart' ? chartsSection : 0;
+      }
+    }
+    return charts;
+  }
   
   importIndicatorsAndSave(charts: any[]) {
     let sectionsToSave: Section[] = [];
@@ -1208,10 +1226,8 @@ export class IndicatorsComponent implements OnInit, OnDestroy, OnChanges, AfterV
     // name description additionalDescription, height, width, visibility
     let noValidParams = 0;
     let duplicates = 0;
+    charts = this.migrateFromOldImportJsonFile(charts);
     for (let chart of charts) {
-      if (!chart['sectionIndex']) {
-        chart['sectionIndex'] = chart['type'] == 'chart' ? 1 : 0;
-      }
       if (!sectionsToSave[chart['sectionIndex']]) {
         let sectionToSave = new Section(chart['sectionType'] ? chart['sectionType'] : chart['type'], chart['sectionTitle']);
         sectionToSave.indicators = [];
@@ -1297,7 +1313,6 @@ export class IndicatorsComponent implements OnInit, OnDestroy, OnChanges, AfterV
       this.editing = false;
       this.importLoading = false;
     } else if (sectionsToSave.length > 0 && countIndicators > 0) {
-      sectionsToSave = sectionsToSave.filter(section => !!section);
       this.saveIndicators(sectionsToSave)
     }
     if (sectionsToSave.length == 0 || countIndicators == 0) {