Getting error imagecopyresampled(): on uploading images sometimes

Getting error imagecopyresampled(): on uploading images sometimes

Hey I'm getting sometimes this error when uploading new images for an article, leading into an error page. Can someone tell me what is causing this?
Thanks in advance.

2023-07-08T10:14:09+00:00 CRITICAL 37.24.128.87 error Uncaught Throwable of type TypeError thrown with message "imagecopyresampled(): Argument #2 ($src_image) must be of type GdImage, bool given". Stack trace: #0 [ROOT]\components\com_jshopping\Lib\ImageLib.php(263): imagecopyresampled()
#1 [ROOT]\administrator\components\com_jshopping\Model\ProductsModel.php(636): Joomla\Component\Jshopping\Site\Lib\ImageLib::resizeImageMagic()
#2 [ROOT]\administrator\components\com_jshopping\Model\ProductsModel.php(346): Joomla\Component\Jshopping\Administrator\Model\ProductsModel->uploadImages()
#3 [ROOT]\administrator\components\com_jshopping\Controller\ProductsController.php(402): Joomla\Component\Jshopping\Administrator\Model\ProductsModel->save()
#4 [ROOT]\libraries\src\MVC\Controller\BaseController.php(678): Joomla\Component\Jshopping\Administrator\Controller\ProductsController->save()
#5 [ROOT]\libraries\src\Dispatcher\ComponentDispatcher.php(143): Joomla\CMS\MVC\Controller\BaseController->execute()
#6 [ROOT]\administrator\components\com_jshopping\Dispatcher\Dispatcher.php(27): Joomla\CMS\Dispatcher\ComponentDispatcher->dispatch()
#7 [ROOT]\libraries\src\Component\ComponentHelper.php(361): Joomla\Component\Jshopping\Administrator\Dispatcher\Dispatcher->dispatch()
#8 [ROOT]\libraries\src\Application\AdministratorApplication.php(143): Joomla\CMS\Component\ComponentHelper::renderComponent()
#9 [ROOT]\libraries\src\Application\AdministratorApplication.php(186): Joomla\CMS\Application\AdministratorApplication->dispatch()
#10 [ROOT]\libraries\src\Application\CMSApplication.php(293): Joomla\CMS\Application\AdministratorApplication->doExecute()
#11 [ROOT]\administrator\includes\app.php(61): Joomla\CMS\Application\CMSApplication->execute()
#12 [ROOT]\administrator\index.php(32): require_once('...')
#13 {main}
2023-07-08T10:12:59+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:12:59+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:12:59+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1
2023-07-08T10:12:59+00:00 WARNING 37.24.128.87 assets No asset found for com_associations, falling back to root.1
2023-07-08T10:13:23+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:13:23+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:13:23+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1
2023-07-08T10:13:23+00:00 WARNING 37.24.128.87 assets No asset found for com_associations, falling back to root.1
2023-07-08T10:13:28+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:13:28+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:13:28+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1
2023-07-08T10:14:09+00:00 CRITICAL 66.249.66.6 error Uncaught Throwable of type Joomla\CMS\Router\Exception\RouteNotFoundException thrown with message "Seite nicht gefunden". Stack trace: #0 [ROOT]\libraries\src\Application\SiteApplication.php(746): Joomla\CMS\Router\Router->parse()
#1 [ROOT]\libraries\src\Application\SiteApplication.php(232): Joomla\CMS\Application\SiteApplication->route()
#2 [ROOT]\libraries\src\Application\CMSApplication.php(293): Joomla\CMS\Application\SiteApplication->doExecute()
#3 [ROOT]\includes\app.php(61): Joomla\CMS\Application\CMSApplication->execute()
#4 [ROOT]\index.php(32): require_once('...')
#5 {main}
2023-07-08T10:14:09+00:00 CRITICAL 37.24.128.87 error Uncaught Throwable of type TypeError thrown with message "imagecopyresampled(): Argument #2 ($src_image) must be of type GdImage, bool given". Stack trace: #0 [ROOT]\components\com_jshopping\Lib\ImageLib.php(263): imagecopyresampled()
#1 [ROOT]\administrator\components\com_jshopping\Model\ProductsModel.php(636): Joomla\Component\Jshopping\Site\Lib\ImageLib::resizeImageMagic()
#2 [ROOT]\administrator\components\com_jshopping\Model\ProductsModel.php(346): Joomla\Component\Jshopping\Administrator\Model\ProductsModel->uploadImages()
#3 [ROOT]\administrator\components\com_jshopping\Controller\ProductsController.php(402): Joomla\Component\Jshopping\Administrator\Model\ProductsModel->save()
#4 [ROOT]\libraries\src\MVC\Controller\BaseController.php(678): Joomla\Component\Jshopping\Administrator\Controller\ProductsController->save()
#5 [ROOT]\libraries\src\Dispatcher\ComponentDispatcher.php(143): Joomla\CMS\MVC\Controller\BaseController->execute()
#6 [ROOT]\administrator\components\com_jshopping\Dispatcher\Dispatcher.php(27): Joomla\CMS\Dispatcher\ComponentDispatcher->dispatch()
#7 [ROOT]\libraries\src\Component\ComponentHelper.php(361): Joomla\Component\Jshopping\Administrator\Dispatcher\Dispatcher->dispatch()
#8 [ROOT]\libraries\src\Application\AdministratorApplication.php(143): Joomla\CMS\Component\ComponentHelper::renderComponent()
#9 [ROOT]\libraries\src\Application\AdministratorApplication.php(186): Joomla\CMS\Application\AdministratorApplication->dispatch()
#10 [ROOT]\libraries\src\Application\CMSApplication.php(293): Joomla\CMS\Application\AdministratorApplication->doExecute()
#11 [ROOT]\administrator\includes\app.php(61): Joomla\CMS\Application\CMSApplication->execute()
#12 [ROOT]\administrator\index.php(32): require_once('...')
#13 {main}
2023-07-08T10:14:09+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:09+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:09+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1
2023-07-08T10:14:09+00:00 WARNING 37.24.128.87 assets No asset found for com_associations, falling back to root.1
2023-07-08T10:14:13+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:13+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:13+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1
2023-07-08T10:14:13+00:00 WARNING 37.24.128.87 assets No asset found for com_associations, falling back to root.1
2023-07-08T10:14:18+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:18+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:18+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1
2023-07-08T10:14:18+00:00 WARNING 37.24.128.87 assets No asset found for com_associations, falling back to root.1
2023-07-08T10:14:27+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:27+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:27+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1
2023-07-08T10:14:27+00:00 WARNING 37.24.128.87 assets No asset found for com_associations, falling back to root.1
2023-07-08T10:14:52+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:52+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:52+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1
2023-07-08T10:14:55+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:55+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:55+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1
2023-07-08T10:14:55+00:00 WARNING 37.24.128.87 assets No asset found for com_associations, falling back to root.1
2023-07-08T10:14:59+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:59+00:00 WARNING 37.24.128.87 assets No asset found for com_guidedtours, falling back to root.1
2023-07-08T10:14:59+00:00 WARNING 37.24.128.87 assets No asset found for com_categories, falling back to root.1

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Aw: Getting error imagecopyresampled(): on uploading images sometimes

image example?