Add empty procted constructor to all the entities.

modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/DatabaseBlob.cs

@@ -17,6 +17,10 @@ public class DatabaseBlob : AggregateRoot<Guid>, IMultiTenant
     [DisableAuditing]
     public virtual byte[] Content { get; protected set; }
 
+    protected DatabaseBlob()
+    {
+    }
+
     public DatabaseBlob(Guid id, Guid containerId, [NotNull] string name, [NotNull] byte[] content, Guid? tenantId = null)
         : base(id)
     {

modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/DatabaseBlobContainer.cs

@@ -11,6 +11,10 @@ public class DatabaseBlobContainer : AggregateRoot<Guid>, IMultiTenant
 
     public virtual string Name { get; protected set; }
 
+    protected DatabaseBlobContainer()
+    {
+    }
+
     public DatabaseBlobContainer(Guid id, [NotNull] string name, Guid? tenantId = null)
         : base(id)
     {

modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Blogs/BlogFeature.cs

@@ -13,6 +13,10 @@ public class BlogFeature : FullAuditedAggregateRoot<Guid>
 
     public bool IsEnabled { get; protected internal set; }
 
+    protected BlogFeature()
+    {
+    }
+
     public BlogFeature(Guid blogId, [NotNull] string featureName, bool isEnabled = true)
     {
         BlogId = blogId;