Whoops\Exception\ErrorException thrown with message "Declaration of Concrete\Package\VividThumbGallery\Block\VividThumbGallery\Controller::registerViewAssets() should be compatible with Concrete\Core\Block\BlockController::registerViewAssets($outputContent = '')"

Stacktrace:
#39 Whoops\Exception\ErrorException in /var/www/vhosts/amoc.me/httpdocs/packages/vivid_thumb_gallery/blocks/vivid_thumb_gallery/controller.php:15
#38 Whoops\Run:handleError in /var/www/vhosts/amoc.me/httpdocs/packages/vivid_thumb_gallery/blocks/vivid_thumb_gallery/controller.php:15
#37 require in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Foundation/ModifiedPsr4ClassLoader.php:87
#36 Concrete\Core\Foundation\ModifiedPsr4ClassLoader:loadClass in [internal]:0
#35 spl_autoload_call in [internal]:0
#34 class_exists in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Block/BlockType/BlockType.php:114
#33 Concrete\Core\Block\BlockType\BlockType:getBlockTypeMappedClass in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Entity/Block/BlockType/BlockType.php:317
#32 Concrete\Core\Entity\Block\BlockType\BlockType:getBlockTypeClass in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Entity/Block/BlockType/BlockType.php:666
#31 Concrete\Core\Entity\Block\BlockType\BlockType:loadController in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Block/BlockType/BlockType.php:38
#30 Concrete\Core\Block\BlockType\BlockType:getByID in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Block/BlockType/BlockTypeList.php:34
#29 Concrete\Core\Block\BlockType\BlockTypeList:get in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Package/ItemCategory/BlockType.php:34
#28 Concrete\Core\Package\ItemCategory\BlockType:getPackageItems in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Package/ItemCategory/AbstractCategory.php:38
#27 Concrete\Core\Package\ItemCategory\AbstractCategory:getItems in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Package/ItemCategory/AbstractCategory.php:16
#26 Concrete\Core\Package\ItemCategory\AbstractCategory:hasItems in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/single_pages/dashboard/extend/install.php:179
#25 include in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/View/View.php:233
#24 Concrete\Core\View\View:renderInnerContents in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/View/View.php:211
#23 Concrete\Core\View\View:renderViewContents in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/View/AbstractView.php:151
#22 Concrete\Core\View\AbstractView:render in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/ResponseFactory.php:147
#21 Concrete\Core\Http\ResponseFactory:view in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/ResponseFactory.php:209
#20 Concrete\Core\Http\ResponseFactory:controller in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/ResponseFactory.php:369
#19 Concrete\Core\Http\ResponseFactory:collection in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Routing/DispatcherRouteCallback.php:34
#18 Concrete\Core\Routing\DispatcherRouteCallback:execute in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/DefaultDispatcher.php:122
#17 Concrete\Core\Http\DefaultDispatcher:handleDispatch in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/DefaultDispatcher.php:54
#16 Concrete\Core\Http\DefaultDispatcher:dispatch in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/DispatcherDelegate.php:39
#15 Concrete\Core\Http\Middleware\DispatcherDelegate:next in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/ThumbnailMiddleware.php:60
#14 Concrete\Core\Http\Middleware\ThumbnailMiddleware:process in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/MiddlewareDelegate.php:38
#13 Concrete\Core\Http\Middleware\MiddlewareDelegate:next in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/FrameOptionsMiddleware.php:39
#12 Concrete\Core\Http\Middleware\FrameOptionsMiddleware:process in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/MiddlewareDelegate.php:38
#11 Concrete\Core\Http\Middleware\MiddlewareDelegate:next in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/CookieMiddleware.php:37
#10 Concrete\Core\Http\Middleware\CookieMiddleware:process in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/MiddlewareDelegate.php:38
#9 Concrete\Core\Http\Middleware\MiddlewareDelegate:next in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/ApplicationMiddleware.php:29
#8 Concrete\Core\Http\Middleware\ApplicationMiddleware:process in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/MiddlewareDelegate.php:38
#7 Concrete\Core\Http\Middleware\MiddlewareDelegate:next in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/Middleware/MiddlewareStack.php:86
#6 Concrete\Core\Http\Middleware\MiddlewareStack:process in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Http/DefaultServer.php:85
#5 Concrete\Core\Http\DefaultServer:handleRequest in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Foundation/Runtime/Run/DefaultRunner.php:115
#4 Concrete\Core\Foundation\Runtime\Run\DefaultRunner:run in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/src/Foundation/Runtime/DefaultRuntime.php:102
#3 Concrete\Core\Foundation\Runtime\DefaultRuntime:run in /var/www/vhosts/amoc.me/httpdocs/updates/concrete5-8.2.1_remote_updater/concrete/dispatcher.php:39
#2 require in /var/www/vhosts/amoc.me/httpdocs/concrete/bootstrap/configure.php:50
#1 require in /var/www/vhosts/amoc.me/httpdocs/concrete/dispatcher.php:16
#0 require in /var/www/vhosts/amoc.me/httpdocs/index.php:3

in red...
/var/www/vhosts/amoc.me/httpdocs/packages/vivid_thumb_gallery/blocks/vivid_thumb_gallery/controller.php
<?php
namespace Concrete\Package\VividThumbGallery\Block\VividThumbGallery;
use \Concrete\Core\Block\BlockController;
use Loader;
use \File;
use FileSet;
use FileList;
use BlockType;
use Page;
use Core;
use \Concrete\Core\Block\View\BlockView as BlockView;
use Concrete\Core\File\Type\Type as FileType;

defined('C5_EXECUTE') or die(_("Access Denied."));
class Controller extends BlockController
{

Type:	Pre-Sale
Status:	New