Fatal error: Uncaught TypeError: Return value of NF_Admin_Metaboxes_Calculations::registerReactMetabox() must be an instance of void, none returned in /homepages/14/d769357960/htdocs/clickandbuilds/HotelCavallinoBianco/wp-content/plugins/ninja-forms/includes/Admin/Metaboxes/Calculations.php:37
Stack trace:
#0 /homepages/14/d769357960/htdocs/clickandbuilds/HotelCavallinoBianco/wp-content/plugins/ninja-forms/includes/Admin/Metaboxes/Calculations.php(7): NF_Admin_Metaboxes_Calculations->registerReactMetabox()
#1 /homepages/14/d769357960/htdocs/clickandbuilds/HotelCavallinoBianco/wp-content/plugins/ninja-forms/ninja-forms.php(375): NF_Admin_Metaboxes_Calculations->__construct()
#2 /homepages/14/d769357960/htdocs/clickandbuilds/HotelCavallinoBianco/wp-content/plugins/ninja-forms/ninja-forms.php(1237): Ninja_Forms::instance()
#3 /homepages/14/d769357960/htdocs/clickandbuilds/HotelCavallinoBianco/wp-content/plugins/ninja-forms/ninja-forms.php(1240): Ninja_Forms()
#4 /homepages/14/d769357960/htdocs/clickandbuilds/HotelCavallinoBi in /homepages/14/d769357960/htdocs/clickandbuilds/HotelCavallinoBianco/wp-content/plugins/ninja-forms/includes/Admin/Metaboxes/Calculations.php on line 37
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