Code: 8
Msg: Undefined variable: header
Trace: 
#0 /home/yaf-haijiao/web/storage/views/1acc3ec2a8b89a0273e25b5d8ef3606041b53d1a.php(2): Bootstrap::error_handError(8, 'Undefined varia...', '/home/yaf-haiji...', 2, Array)
#1 /home/yaf-haijiao/web/vendor/illuminate/filesystem/Filesystem.php(107): require('/home/yaf-haiji...')
#2 /home/yaf-haijiao/web/vendor/illuminate/filesystem/Filesystem.php(108): Illuminate\Filesystem\Filesystem::Illuminate\Filesystem\{closure}()
#3 /home/yaf-haijiao/web/vendor/illuminate/view/Engines/PhpEngine.php(58): Illuminate\Filesystem\Filesystem->getRequire('/home/yaf-haiji...', Array)
#4 /home/yaf-haijiao/web/vendor/illuminate/view/Engines/CompilerEngine.php(61): Illuminate\View\Engines\PhpEngine->evaluatePath('/home/yaf-haiji...', Array)
#5 /home/yaf-haijiao/web/vendor/illuminate/view/View.php(139): Illuminate\View\Engines\CompilerEngine->get('/home/yaf-haiji...', Array)
#6 /home/yaf-haijiao/web/vendor/illuminate/view/View.php(122): Illuminate\View\View->getContents()
#7 /home/yaf-haijiao/web/vendor/illuminate/view/View.php(91): Illuminate\View\View->renderContents()
#8 /home/yaf-haijiao/web/vendor/jenssegers/blade/src/Blade.php(47): Illuminate\View\View->render()
#9 /home/yaf-haijiao/web/application/library/website/BladeView.php(47): Jenssegers\Blade\Blade->render('authors_list', Array)
#10 /home/yaf-haijiao/web/vendor/tb-old/library/src/WebsiteController.php(52): website\BladeView->render('authors_list', NULL)
#11 /home/yaf-haijiao/web/vendor/tb-old/library/src/WebsiteController.php(62): Tbold\WebsiteController->render('authors_list', NULL)
#12 /home/yaf-haijiao/web/application/modules/Home/controllers/Authors.php(464): Tbold\WebsiteController->display('authors_list')
#13 [internal function]: AuthorsController->author_upAction()
#14 /home/yaf-haijiao/web/public/index.php(26): Yaf\Application->run()
#15 {main}