我在PrestaShop网站上激活了调试模式。在Front Office中，现在的结果是：
(1/1) ContextErrorException
Notice: Undefined index: search_controller_url
in d75b2caa04ca35b6b0cf4db4d1751c82a14934ac_2.file.header.tpl.php line 120
at Block_16338589385d67d0e6952da9_90858640->callBlock(object(SmartyDevTemplate))in smarty_internal_runtime_inheritance.php line 248
at Smarty_Internal_Runtime_Inheritance->callBlock(object(Block_16338589385d67d0e6952da9_90858640), object(SmartyDevTemplate))in smarty_internal_runtime_inheritance.php line 184
at Smarty_Internal_Runtime_Inheritance->process(object(SmartyDevTemplate), object(Block_16338589385d67d0e6952da9_90858640))in smarty_internal_runtime_inheritance.php line 156
at Smarty_Internal_Runtime_Inheritance->instanceBlock(object(SmartyDevTemplate), 'Block_16338589385d67d0e6952da9_90858640', 'header_nav')in d75b2caa04ca35b6b0cf4db4d1751c82a14934ac_2.file.header.tpl.php line 36
at content_5d67d0e695d559_13218069(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, 'layouts/layout-full-width.tpl', 0, 31536000, array(), 0, false)in 95e3e8a481a1e606d560972c1c480dfc1018218b_2.file.layout-both-columns.tpl.php line 262
at Block_5055059385d67d0e6516768_73563625->callBlock(object(SmartyDevTemplate))in smarty_internal_runtime_inheritance.php line 248
at Smarty_Internal_Runtime_Inheritance->callBlock(object(Block_5055059385d67d0e6516768_73563625), object(SmartyDevTemplate))in smarty_internal_runtime_inheritance.php line 184
at Smarty_Internal_Runtime_Inheritance->process(object(SmartyDevTemplate), object(Block_5055059385d67d0e6516768_73563625))in smarty_internal_runtime_inheritance.php line 156
at Smarty_Internal_Runtime_Inheritance->instanceBlock(object(SmartyDevTemplate), 'Block_5055059385d67d0e6516768_73563625', 'header')in 95e3e8a481a1e606d560972c1c480dfc1018218b_2.file.layout-both-columns.tpl.php line 63
at content_5d67d0e6551013_82562661(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, 'layouts/layout-full-width.tpl', 0, 31536000, array(), 2, false, null, null)in smarty_internal_runtime_inheritance.php line 125
at Smarty_Internal_Runtime_Inheritance->endChild(object(SmartyDevTemplate), 'layouts/layout-both-columns.tpl')in 92252ff698f93d697d113cff21fce3ca349d7adb_2.file.layout-full-width.tpl.php line 42
at content_5d67d0e64d8975_92994777(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, 'layouts/layout-full-width.tpl', 0, 31536000, array(), 2, false, null, null)in smarty_internal_runtime_inheritance.php line 125
at Smarty_Internal_Runtime_Inheritance->endChild(object(SmartyDevTemplate), 'layouts/layout-full-width.tpl')in 0b2185c2d9bee59b82e4b6c6efca27701edf52e3_2.file.page.tpl.php line 33
at content_5d67d0e64855f4_08376276(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, 'layouts/layout-full-width.tpl', 0, 31536000, array(), 2, false, null, null)in smarty_internal_runtime_inheritance.php line 125
at Smarty_Internal_Runtime_Inheritance->endChild(object(SmartyDevTemplate), 'page.tpl')in f48bc2c9697288615e47cb5a7ab21bf8f820648a_2.file.index.tpl.php line 33
at content_5d67d0e644fe67_98096114(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, 'layouts/layout-full-width.tpl', null, 0)in smarty_internal_templatebase.php line 116
at Smarty_Internal_TemplateBase->fetch('index.tpl', null, 'layouts/layout-full-width.tpl', null, false, true, false)in SmartyDev.php line 40
at SmartyDev->fetch('index.tpl', null, 'layouts/layout-full-width.tpl')in FrontController.php line 682
at FrontControllerCore->smartyOutputContent('index.tpl')in FrontController.php line 666
at FrontControllerCore->display()in Controller.php line 301
at ControllerCore->run()in Dispatcher.php line 511
at DispatcherCore->dispatch()in index.php line 28
我找不到问题所在和必须去的地方。搜索模块处于活动状态并且可以正常工作。在Header.tpl文件行120上，什么都没有。它在第90行结束。布局也很好用。我正在使用经典主题。