diff --git a/clio/Package/NuGet/CreatioSdkOnline.cs b/clio/Package/NuGet/CreatioSdkOnline.cs
index c610962e..1fea8093 100644
--- a/clio/Package/NuGet/CreatioSdkOnline.cs
+++ b/clio/Package/NuGet/CreatioSdkOnline.cs
@@ -37,7 +37,9 @@ private void InitVersionsFromNuget() {
 
 				var items = JsonSerializer.Deserialize<Model>(json);
 				var _ver = items.TopItems.FirstOrDefault().Items.Select(i => i.CatalogEntry.Version);
-
+				if (_versions == null) {
+					_versions = new List<Version>();
+				}
 				foreach (var item in _ver) {
 					_versions.Add(new Version(item));
 				}