Warning: Trying to access array offset on value of type null in /var/customers/webs/nas/prestashop8/controllers/front/ProductController.php on line 1260

Warning: Trying to access array offset on value of type null in /var/customers/webs/nas/prestashop8/controllers/front/ProductController.php on line 1260

Fatal error: Uncaught  --> Smarty Compiler: Syntax error in template "file:/var/customers/webs/nas/prestashop8/themes/eeled/templates/catalog/product.tpl"  on line 162 "<span id="old_price_display">{if $productPriceWithoutReduction > $productPrice}<span class="price">{convertPrice price=$productPriceWithoutReduction}</span>{if $tax_enabled && $display_tax_label == 1} {if $priceDisplay == 1}{l s='tax excl.'}{else}{l s='tax incl.'}{/if}{/if}{/if}</span>" unknown tag 'convertPrice' <-- 
  thrown in /var/customers/webs/nas/prestashop8/themes/eeled/templates/catalog/product.tpl on line 162