ContextErrorException in smarty_internal_templatebase.php(157) : eval()'d code line 948: Notice: Undefined index: should_be_displayed

[ZebraK]

I have a error when I open a category

 

ContextErrorException in smarty_internal_templatebase.php(157) : eval()'d code line 948:
Notice: Undefined index: should_be_displayed

in smarty_internal_templatebase.php(157) : eval()'d code line 948
at ErrorHandler->handleError('8', 'Undefined index: should_be_displayed', '/home/damar/domains/sznurkidamar.pl/public_html/vendor/prestashop/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code', '948', array('_smarty_tpl' => object(Smarty_Dev_Template))) in smarty_internal_templatebase.php(157) : eval()'d code line 948
at content_5b0becfc923f35_45476140(object(Smarty_Dev_Template)) in smarty_internal_templatebase.php(157) : eval()'d code line 788
at content_5b0becfc8f3eb3_79722531(object(Smarty_Dev_Template)) in smarty_internal_templatebase.php(157) : eval()'d code line 278
at content_5b0becfc96d063_92310791(object(Smarty_Dev_Template)) in smarty_internal_templatebase.php line 188
at Smarty_Internal_TemplateBase->fetch('catalog/listing/category.tpl', null, 'layouts/layout-left-column.tpl', object(SmartyDev), false, true, false) in SmartyDev.php line 41
at SmartyDev->fetch('catalog/listing/category.tpl', null, 'layouts/layout-left-column.tpl') in FrontController.php line 655
at FrontControllerCore->smartyOutputContent('catalog/listing/category.tpl') in FrontController.php line 639
at FrontControllerCore->display() in Controller.php line 221
at ControllerCore->run() in Dispatcher.php line 366
at DispatcherCore->dispatch() in index.php line 28

 

[sdkzn]

I have the same error. Did you solve this and how ?