After upgrade form 1.6.0.1 to 1.7.6.3 cannot change product description or add or edit pictures

[solopedro]

Hi, After upgrading  i have encountered a big issue , cannot upload, change text, change images etc.. I can csv import . Only happens with products. The shop is live.

I activated the debug mode and this is what i receive when accessing products

Twig\Error\
RuntimeError
in src/PrestaShopBundle/Resources/views/Admin/Product/ProductPage/product.html.twig (line 162)
                  <div class="container-fluid">                    <div class="row">                      {# LEFT #}                      <div class="col-md-12">                        {% set hooks = renderhooksarray('displayAdminProductsExtra', { 'id_product': id_product }) %}                        <div class="row module-selection" style="display: none;">                          <div class="col-md-12 col-lg-7">                            {% for module in hooks %}                              <div class="module-render-container module-{{ module.attributes.name }}">

Twig\Error\RuntimeError:
An exception has been thrown during the rendering of a template ("Error fatal").

  at src/PrestaShopBundle/Resources/views/Admin/Product/ProductPage/product.html.twig:162
  at Twig\Template->displayBlock('product_panel_modules', array('form' => object(FormView), 'formCombinations' => object(FormView), 'categories' => array(array('id' => '2', 'name' => 'Inicio', 'breadcrumb' => 'Inicio'), array('id' => '3', 'name' => 'Bebe | Infantil', 'breadcrumb' => 'Inicio &gt; Parafarmacia &gt; Bebe | Infantil'), array('id' => '4', 'name' => 'Cosmética', 'breadcrumb' => 'Inicio &gt; Parafarmacia &gt; Cosmética'), array('id' => '6', ......

Could you please share some light or any potential solution? I have looked everywhere but cannot find any solution

 

Thanks