Fatal error: Uncaught Error: Call to a member function getGroupId() on null in /home/ubuntu/tea2fr/app/code/TeasandThes/Customer/view/frontend/templates/account/avatar.phtml:13 Stack trace: #0 /home/ubuntu/tea2fr/vendor/magento/framework/View/TemplateEngine/Php.php(59): include() #1 /home/ubuntu/tea2fr/vendor/magento/framework/View/Element/Template.php(270): Magento\Framework\View\TemplateEngine\Php->render(Object(TeasandThes\Customer\Block\Account\Avatar), '/home/ubuntu/te...', Array) #2 /home/ubuntu/tea2fr/vendor/magento/framework/View/Element/Template.php(300): Magento\Framework\View\Element\Template->fetchView('/home/ubuntu/te...') #3 /home/ubuntu/tea2fr/vendor/magento/framework/View/Element/AbstractBlock.php(667): Magento\Framework\View\Element\Template->_toHtml() #4 /home/ubuntu/tea2fr/vendor/magento/framework/View/Layout.php(558): Magento\Framework\View\Element\AbstractBlock->toHtml() #5 /home/ubuntu/tea2fr/vendor/magento/framework/View/Layout.php(534): Magento\Framework\View\Layout->_renderBlock('customer_accoun.. in /home/ubuntu/tea2fr/app/code/TeasandThes/Customer/view/frontend/templates/account/avatar.phtml on line 13