Getting 500 Internal Server Error

janeklass · April 3, 2022

Hi,

Prestashop gives error 500. Can anyone tell me what the problem might be?
Debug mode provides the following information:

(2/2) LocalizationException

Invalid $number parameter: "" cannot be interpreted as a number

in Formatter.php line 108

at Formatter->format(null, object(Price))in Locale.php line 154

at Locale->formatPrice(null, 'EUR')in Product.php line 3565

at ProductCore::convertAndFormatPrice(null)in b4e24db0f4028ba1e13114d6b69cd13ce3940c22_2.module.wbmegamenuviewstemplatesh.cache.php line 131

at content_62499b0f2c6463_80887943(object(SmartyDevTemplate))in smarty_template_resource_base.php line 123

at Smarty_Template_Resource_Base->getRenderedTemplateCode(object(SmartyDevTemplate))in smarty_template_compiled.php line 114

at Smarty_Template_Compiled->render(object(SmartyDevTemplate))in smarty_internal_runtime_updatecache.php line 38

at Smarty_Internal_Runtime_UpdateCache->updateCache(object(Smarty_Template_Cached), object(SmartyDevTemplate), false)in smarty_template_cached.php line 143

at Smarty_Template_Cached->render(object(SmartyDevTemplate), false)in smarty_internal_template.php line 211

at Smarty_Internal_Template->render(false, 0)in smarty_internal_templatebase.php line 232

at Smarty_Internal_TemplateBase->_execute(object(SmartyDevTemplate), null, null, null, 0)in smarty_internal_templatebase.php line 116

at Smarty_Internal_TemplateBase->fetch(null, null, null, null, false, true, false)in SmartyDevTemplate.php line 40

at SmartyDevTemplateCore->fetch()in Module.php line 2480

at ModuleCore->fetch('module:wbmegamenu/views/templates/hook/wbmegamenu.tpl', 'wbmegamenu|1|1|1|13|2|86')in wbmegamenu.php line 1247

at WbMegamenu->renderWidget('displayTop', array('smarty' => object(SmartyDevTemplate), 'cookie' => object(Cookie), 'cart' => object(Cart)))in Hook.php line 993

at HookCore::coreRenderWidget(object(WbMegamenu), 'displayTop', array('smarty' => object(SmartyDevTemplate), 'cookie' => object(Cookie), 'cart' => object(Cart)))in Hook.php line 945

at HookCore::exec('displayTop', array('smarty' => object(SmartyDevTemplate), 'cookie' => object(Cookie), 'cart' => object(Cart)), null)in smarty.config.inc.php line 167

at smartyHook(array('h' => 'displayTop'), object(SmartyDevTemplate))in SmartyLazyRegister.php line 83

at SmartyLazyRegister->__call('smartyHook', array(array('h' => 'displayTop'), object(SmartyDevTemplate)))in 8ca4d32635129526b62dc9e96178b76b686facf9_2.file.header.tpl.php line 93

at Block_18187623462499b0f26d4f2_79470851->callBlock(object(SmartyDevTemplate))in smarty_internal_runtime_inheritance.php line 248

at Smarty_Internal_Runtime_Inheritance->callBlock(object(Block_18187623462499b0f26d4f2_79470851), object(SmartyDevTemplate))in smarty_internal_runtime_inheritance.php line 184

at Smarty_Internal_Runtime_Inheritance->process(object(SmartyDevTemplate), object(Block_18187623462499b0f26d4f2_79470851))in smarty_internal_runtime_inheritance.php line 156

at Smarty_Internal_Runtime_Inheritance->instanceBlock(object(SmartyDevTemplate), 'Block_18187623462499b0f26d4f2_79470851', 'header_top')in 8ca4d32635129526b62dc9e96178b76b686facf9_2.file.header.tpl.php line 29

at content_62499b0f2704c3_52866959(object(SmartyDevTemplate))in smarty_template_resource_base.php line 123

at Smarty_Template_Resource_Base->getRenderedTemplateCode(object(SmartyDevTemplate))in smarty_template_compiled.php line 114

at Smarty_Template_Compiled->render(object(SmartyDevTemplate))in smarty_internal_template.php line 216

at Smarty_Internal_Template->render()in smarty_internal_template.php line 385

at Smarty_Internal_Template->_subTemplateRender('file:_partials/header.tpl', null, 'Artistalayouts/layout-full-width.tpl', 0, 31536000, array(), 0, false)in a6546911daae355692f2840730244bd6635fdecc_2.file.layout-both-columns.tpl.php line 228

at Block_199053991362499b0f237fd4_47161948->callBlock(object(SmartyDevTemplate))in smarty_internal_runtime_inheritance.php line 248

at Smarty_Internal_Runtime_Inheritance->callBlock(object(Block_199053991362499b0f237fd4_47161948), object(SmartyDevTemplate))in smarty_internal_runtime_inheritance.php line 184

at Smarty_Internal_Runtime_Inheritance->process(object(SmartyDevTemplate), object(Block_199053991362499b0f237fd4_47161948))in smarty_internal_runtime_inheritance.php line 156

at Smarty_Internal_Runtime_Inheritance->instanceBlock(object(SmartyDevTemplate), 'Block_199053991362499b0f237fd4_47161948', 'header')in a6546911daae355692f2840730244bd6635fdecc_2.file.layout-both-columns.tpl.php line 76

at content_62499b0f2453e4_19706546(object(SmartyDevTemplate))in smarty_template_resource_base.php line 123

at Smarty_Template_Resource_Base->getRenderedTemplateCode(object(SmartyDevTemplate))in smarty_template_compiled.php line 114

at Smarty_Template_Compiled->render(object(SmartyDevTemplate))in smarty_internal_template.php line 216

at Smarty_Internal_Template->render()in smarty_internal_template.php line 385

at Smarty_Internal_Template->_subTemplateRender('layouts/layout-both-columns.tpl', null, 'Artistalayouts/layout-full-width.tpl', 0, 31536000, array(), 2, false, null, null)in smarty_internal_runtime_inheritance.php line 116

at Smarty_Internal_Runtime_Inheritance->endChild(object(SmartyDevTemplate), 'layouts/layout-both-columns.tpl')in af796ab9f001e8d1e137035cb957641f5158faf7_2.file.layout-full-width.tpl.php line 42

at content_62499b0f2303f6_33904783(object(SmartyDevTemplate))in smarty_template_resource_base.php line 123

at Smarty_Template_Resource_Base->getRenderedTemplateCode(object(SmartyDevTemplate))in smarty_template_compiled.php line 114

at Smarty_Template_Compiled->render(object(SmartyDevTemplate))in smarty_internal_template.php line 216

at Smarty_Internal_Template->render()in smarty_internal_template.php line 385

at Smarty_Internal_Template->_subTemplateRender('layouts/layout-full-width.tpl', null, 'Artistalayouts/layout-full-width.tpl', 0, 31536000, array(), 2, false, null, null)in smarty_internal_runtime_inheritance.php line 116

at Smarty_Internal_Runtime_Inheritance->endChild(object(SmartyDevTemplate), 'layouts/layout-full-width.tpl')in 4770237c238aa8d90059fd6f9bf075a3455cdf46_2.file.page.tpl.php line 33

at content_62499b0f22bcf4_93132137(object(SmartyDevTemplate))in smarty_template_resource_base.php line 123

at Smarty_Template_Resource_Base->getRenderedTemplateCode(object(SmartyDevTemplate))in smarty_template_compiled.php line 114

at Smarty_Template_Compiled->render(object(SmartyDevTemplate))in smarty_internal_template.php line 216

at Smarty_Internal_Template->render()in smarty_internal_template.php line 385

at Smarty_Internal_Template->_subTemplateRender('page.tpl', null, 'Artistalayouts/layout-full-width.tpl', 0, 31536000, array(), 2, false, null, null)in smarty_internal_runtime_inheritance.php line 116

at Smarty_Internal_Runtime_Inheritance->endChild(object(SmartyDevTemplate), 'page.tpl')in ba21fca8f1e96595bcc57ec7b65f0ab0fa07bc79_2.file.index.tpl.php line 31

at content_62499b0f2256b0_55956098(object(SmartyDevTemplate))in smarty_template_resource_base.php line 123

at Smarty_Template_Resource_Base->getRenderedTemplateCode(object(SmartyDevTemplate))in smarty_template_compiled.php line 114

at Smarty_Template_Compiled->render(object(SmartyDevTemplate))in smarty_internal_template.php line 216

at Smarty_Internal_Template->render(false, 0)in smarty_internal_templatebase.php line 232

at Smarty_Internal_TemplateBase->_execute(object(SmartyDevTemplate), null, 'Artistalayouts/layout-full-width.tpl', null, 0)in smarty_internal_templatebase.php line 116

at Smarty_Internal_TemplateBase->fetch('index.tpl', null, 'Artistalayouts/layout-full-width.tpl', null, false, true, false)in SmartyDev.php line 40

at SmartyDev->fetch('index.tpl', null, 'Artistalayouts/layout-full-width.tpl')in FrontController.php line 704

at FrontControllerCore->smartyOutputContent('index.tpl')in FrontController.php line 686

at FrontControllerCore->display()in Controller.php line 326

at ControllerCore->run()in Dispatcher.php line 518

at DispatcherCore->dispatch()in index.php line 28

(1/2) InvalidArgumentException

"" cannot be interpreted as a number

in Builder.php line 40

at Builder::parseNumber('')in Number.php line 73

at Number->__construct('')in Formatter.php line 149

at Formatter->prepareNumber(null)in Formatter.php line 106