diff --git a/forward_engineering/ddlProvider/ddlProvider.js b/forward_engineering/ddlProvider/ddlProvider.js
index 1820157..2903eb0 100644
--- a/forward_engineering/ddlProvider/ddlProvider.js
+++ b/forward_engineering/ddlProvider/ddlProvider.js
@@ -385,6 +385,11 @@ module.exports = (baseProvider, options, app) => {
 
 		createIndex(tableName, index) {
 			const indexName = getIndexName({ index });
+
+			if (!index.indxName || !index.indxKey.length) {
+				return '';
+			}
+
 			const indexType = getIndexType({ index });
 			const indexOptions = getIndexOptions({ index });
 			const indexTableName = getNamePrefixedWithSchemaName({ name: tableName, schemaName: index.schemaName });
diff --git a/properties_pane/entity_level/entityLevelConfig.json b/properties_pane/entity_level/entityLevelConfig.json
index 6b57f93..d32098f 100644
--- a/properties_pane/entity_level/entityLevelConfig.json
+++ b/properties_pane/entity_level/entityLevelConfig.json
@@ -401,7 +401,10 @@ making sure that you maintain a proper JSON format.
 						"propertyName": "Name",
 						"propertyKeyword": "indxName",
 						"propertyTooltip": "",
-						"propertyType": "text"
+						"propertyType": "text",
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "Activated",
@@ -421,7 +424,11 @@ making sure that you maintain a proper JSON format.
 						"propertyKeyword": "indxKey",
 						"propertyType": "fieldList",
 						"template": "orderedList",
-						"attributeList": ["asc", "desc", "random"]
+						"attributeList": ["asc", "desc", "random"],
+						"validation": {
+							"minLength": 1,
+							"required": true
+						}
 					},
 					{
 						"propertyName": "Include keys",