0 - call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method modIceMegamenuHelper::buildXML() cannot be called statically

You may not be able to visit this page because of:

  1. an out-of-date bookmark/favourite
  2. a search engine that has an out-of-date listing for this site
  3. a mistyped address
  4. you have no access to this page
  5. The requested resource was not found.
  6. An error has occurred while processing your request.

Please try one of the following pages:

If difficulties persist, please contact the System Administrator of this site and report the error below..

call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method modIceMegamenuHelper::buildXML() cannot be called statically

Call stack
# Function Location
1 () JROOT/libraries/src/Cache/Controller/CallbackController.php:173
2 call_user_func_array() JROOT/libraries/src/Cache/Controller/CallbackController.php:173
3 Joomla\CMS\Cache\Controller\CallbackController->get() JROOT/libraries/src/Cache/Controller/CallbackController.php:45
4 Joomla\CMS\Cache\Controller\CallbackController->call() JROOT/modules/mod_icemegamenu/helper.php:111
5 modIceMegamenuHelper->getXML() JROOT/modules/mod_icemegamenu/helper.php:150
6 modIceMegamenuHelper->render() JROOT/templates/luxury2020custom/html/mod_icemegamenu/default.php:16
7 require() JROOT/modules/mod_icemegamenu/mod_icemegamenu.php:65
8 include() JROOT/libraries/src/Helper/ModuleHelper.php:200
9 Joomla\CMS\Helper\ModuleHelper::renderModule()  
10 call_user_func_array() JROOT/libraries/src/Cache/Controller/CallbackController.php:173
11 Joomla\CMS\Cache\Controller\CallbackController->get() JROOT/libraries/src/Helper/ModuleHelper.php:616
12 Joomla\CMS\Helper\ModuleHelper::moduleCache() JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:95
13 Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render() JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
14 Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render() JROOT/libraries/src/Document/HtmlDocument.php:500
15 Joomla\CMS\Document\HtmlDocument->getBuffer() JROOT/libraries/src/Document/HtmlDocument.php:803
16 Joomla\CMS\Document\HtmlDocument->_renderTemplate() JROOT/libraries/src/Document/HtmlDocument.php:577
17 Joomla\CMS\Document\HtmlDocument->render() JROOT/libraries/src/Application/CMSApplication.php:1140
18 Joomla\CMS\Application\CMSApplication->render() JROOT/libraries/src/Application/SiteApplication.php:778
19 Joomla\CMS\Application\SiteApplication->render() JROOT/libraries/src/Application/CMSApplication.php:231
20 Joomla\CMS\Application\CMSApplication->execute() JROOT/index.php:49