diff --git a/src/TNL/Containers/Algorithms/ArrayIO.h b/src/TNL/Containers/Algorithms/ArrayIO.h
index 77e82355f82d414dc77224633ed5bc79a6f4fb08..a97fc755fd6184ac8d7868c878768d827d7e4339 100644
--- a/src/TNL/Containers/Algorithms/ArrayIO.h
+++ b/src/TNL/Containers/Algorithms/ArrayIO.h
@@ -23,66 +23,85 @@ template< typename Value,
           typename Device,
           typename Index,
           bool Elementwise = std::is_base_of< Object, Value >::value >
-class ArrayIO
+struct ArrayIO
 {};
 
 template< typename Value,
           typename Device,
           typename Index >
-class ArrayIO< Value, Device, Index, true >
+struct ArrayIO< Value, Device, Index, true >
 {
    public:
 
-   static bool save( File& file,
+   static void save( File& file,
                      const Value* data,
                      const Index elements )
    {
-      for( Index i = 0; i < elements; i++ )
-         if( ! data[ i ].save( file ) )
-         {
-            std::cerr << "I was not able to save " << i << "-th of " << elements << " elements." << std::endl;
-            return false;
-         }
-      return true;
+      Index i;
+      try
+      {
+         for( i = 0; i < elements; i++ )
+            data[ i ].save( file );
+      }
+      catch(...)
+      {
+         throw Exceptions::FileSerializationError( file.getFileName(), "unable to write the " + std::to_string(i) + "-th array element of " + std::to_string(elements) + " into the file." );
+      }
    }
 
-   static bool load( File& file,
+   static void load( File& file,
                      Value* data,
                      const Index elements )
    {
-      for( Index i = 0; i < elements; i++ )
-         if( ! data[ i ].load( file ) )
-         {
-            std::cerr << "I was not able to load " << i << "-th of " << elements << " elements." << std::endl;
-            return false;
-         }
-      return true;
+      Index i = 0;
+      try
+      {
+         for( i = 0; i < elements; i++ )
+            data[ i ].load( file );
+      }
+      catch(...)
+      {
+         throw Exceptions::FileDeserializationError( file.getFileName(), "unable to read the " + std::to_string(i) + "-th array element of " + std::to_string(elements) + " from the file." );
+      }
    }
 };
 
 template< typename Value,
           typename Device,
           typename Index >
-class ArrayIO< Value, Device, Index, false >
+struct ArrayIO< Value, Device, Index, false >
 {
-   public:
-
-   static bool save( File& file,
+   static void save( File& file,
                      const Value* data,
                      const Index elements )
    {
-      file.save< Value, Value, Device >( data, elements );
-      return true;
+      if( elements == 0 )
+         return;
+      try
+      {
+         file.save< Value, Value, Device >( data, elements );
+      }
+      catch(...)
+      {
+         throw Exceptions::FileSerializationError( file.getFileName(), "unable to write " + std::to_string(elements) + " array elements into the file." );
+      }
    }
 
-   static bool load( File& file,
+   static void load( File& file,
                      Value* data,
                      const Index elements )
    {
-      file.load< Value, Value, Device >( data, elements );
-      return true;
+      if( elements == 0 )
+         return;
+      try
+      {
+         file.load< Value, Value, Device >( data, elements );
+      }
+      catch(...)
+      {
+         throw Exceptions::FileDeserializationError( file.getFileName(), "unable to read " + std::to_string(elements) + " array elements from the file." );
+      }
    }
-
 };
 
 } // namespace Algorithms
diff --git a/src/TNL/Containers/Array.hpp b/src/TNL/Containers/Array.hpp
index 34fb38e6296fdb96993cf46e3a24f749826c5072..d0cbf39651fce64c2d6013c931d43633b53eced3 100644
--- a/src/TNL/Containers/Array.hpp
+++ b/src/TNL/Containers/Array.hpp
@@ -658,8 +658,7 @@ void Array< Value, Device, Index >::save( File& file ) const
 {
    Object::save( file );
    file.save( &this->size );
-   if( this->size != 0 )
-      Algorithms::ArrayIO< Value, Device, Index >::save( file, this->data, this->size );
+   Algorithms::ArrayIO< Value, Device, Index >::save( file, this->data, this->size );
 }
 
 template< typename Value,
@@ -675,8 +674,7 @@ load( File& file )
    if( _size < 0 )
       throw Exceptions::FileDeserializationError( file.getFileName(), "invalid array size: " + std::to_string(_size) );
    setSize( _size );
-   if( _size )
-      Algorithms::ArrayIO< Value, Device, Index >::load( file, this->data, this->size );
+   Algorithms::ArrayIO< Value, Device, Index >::load( file, this->data, this->size );
 }
 
 template< typename Value,
@@ -697,8 +695,7 @@ boundLoad( File& file )
          throw Exceptions::FileDeserializationError( file.getFileName(), "invalid array size: " + std::to_string(_size) + " (expected " + std::to_string( this->getSize() ) + ")." );
    }
    else setSize( _size );
-   if( _size )
-      Algorithms::ArrayIO< Value, Device, Index >::load( file, this->data, this->size );
+   Algorithms::ArrayIO< Value, Device, Index >::load( file, this->data, this->size );
 }
 
 template< typename Value,
diff --git a/src/TNL/Containers/ArrayView.hpp b/src/TNL/Containers/ArrayView.hpp
index cca4ceef5ec9da608ec1f5e630ab74dc2ad70e95..030f29e64aa61abbfea6046abcd2529f3cab3afd 100644
--- a/src/TNL/Containers/ArrayView.hpp
+++ b/src/TNL/Containers/ArrayView.hpp
@@ -349,8 +349,7 @@ void ArrayView< Value, Device, Index >::save( File& file ) const
 {
    saveHeader( file, SerializationType::getType() );
    file.save( &this->size );
-   if( this->size != 0 )
-      Algorithms::ArrayIO< Value, Device, Index >::save( file, this->data, this->size );
+   Algorithms::ArrayIO< Value, Device, Index >::save( file, this->data, this->size );
 }
 
 template< typename Value,