When Saving a Custom Page i getUncaught Error: Call to a member function get_sku

WP Ver: 4.9.2
Theme = xtheme Pro
Woocommerce Version: Version 3.2.6
DT Woo Page Builder Version 2.0.4

I have pages already created for single product pages, after i edit or update the page i get this fatel error and it does not save the changes.

i have tried disabling all addons already with no effect
Thanks in advance for your help

Fatal error: Uncaught Error: Call to a member function get_sku() on null in ***/wp-content/plugins/woocommerce/templates/single-product/meta.php:29 Stack trace: #0 ***/wp-content/plugins/woocommerce/includes/wc-core-functions.php(209): include() #1 ***/wp-content/plugins/woocommerce/includes/wc-template-functions.php(973): wc_get_template(‘single-product/…’) #2 ***/wp-content/plugins/dt_woocommerce_page_builder/includes/vc-shortcodes/vc-shortcodes.php(173): woocommerce_template_single_meta() #3 ***/wp-includes/shortcodes.php(319): DTWPB_Shorcodes->dtwpb_single_product_meta_sc(”, ”, ‘dtwpb_single_pr…’) #4 [internal function]: do_shortcode_tag(Array) #5 ***/wp-includes/shortcodes.php(197): preg_replace_callback(‘/\\[(\\[?)(line|d…’, ‘do_sh in ***/wp-content/plugins/woocommerce/templates/single-product/meta.php on line 29

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