Fatal error: Uncaught Error: Call to a member function getId() on null in /var/www/www-root/data/www/journals/coloproc.uz/public/plugins/generic/webFeed/WebFeedBlockPlugin.inc.php:85 Stack trace: #0 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/classes/template/PKPTemplateManager.inc.php(1297): WebFeedBlockPlugin->getContents(Object(Smarty_Internal_Template), Object(Request)) #1 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/classes/plugins/HookRegistry.inc.php(107): PKPTemplateManager->displaySidebar('Templates::Comm...', Array) #2 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/classes/template/PKPTemplateManager.inc.php(1518): HookRegistry::call('Templates::Comm...', Array) #3 /var/www/www-root/data/www/journals/coloproc.uz/public/cache/t_compile/0f7083cd762406e09382735dc846e2b44625da5a^4dffb64063bb972c37e05619a2ccd9d0ea7473ac_0.app.frontendcomponentsfooter..php(29): PKPTemplateManager->smartyCallHook(Array, Object(Smarty_Internal_Template)) #4 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_649f74cc7a34c0_24523945(Object(Smarty_Internal_Template)) #5 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode(Object(Smarty_Internal_Template)) #6 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(216): Smarty_Template_Compiled->render(Object(Smarty_Internal_Template)) #7 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(385): Smarty_Internal_Template->render() #8 /var/www/www-root/data/www/journals/coloproc.uz/public/cache/t_compile/0f7083cd762406e09382735dc846e2b44625da5a^aa98b2463a2e6a634a506f0f0ac0cc0f4af5b846_0.app.frontendpagesnavigationMe.php(40): Smarty_Internal_Template->_subTemplateRender('app:frontend/co...', NULL, '0f7083cd762406e...', 0, 3600, Array, 0, false) #9 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_649f74cc5f1822_37737118(Object(Smarty_Internal_Template)) #10 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode(Object(Smarty_Internal_Template)) #11 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(216): Smarty_Template_Compiled->render(Object(Smarty_Internal_Template)) #12 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(232): Smarty_Internal_Template->render(false, 1) #13 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute(Object(Smarty_Internal_Template), NULL, '0f7083cd762406e...', NULL, 1) #14 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/classes/template/PKPTemplateManager.inc.php(1187): Smarty_Internal_TemplateBase->display('frontend/pages/...', NULL, '0f7083cd762406e...', NULL) #15 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/pages/navigationMenu/NavigationMenuItemHandler.inc.php(124): PKPTemplateManager->display('frontend/pages/...') #16 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/classes/core/PKPRouter.inc.php(395): NavigationMenuItemHandler->view(Array, Object(Request)) #17 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/classes/core/PKPPageRouter.inc.php(246): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array, false) #18 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPPageRouter->route(Object(Request)) #19 /var/www/www-root/data/www/journals/coloproc.uz/public/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request)) #20 /var/www/www-root/data/www/journals/coloproc.uz/public/index.php(68): PKPApplication->execute() #21 {main} thrown in /var/www/www-root/data/www/journals/coloproc.uz/public/plugins/generic/webFeed/WebFeedBlockPlugin.inc.php on line 85