unable to access website: Route "easy_breadcrumb.general_settings_form" does not exist.

Update, cache clear...I cannot access any function!
I am pretty sure, since I don't have drush or drupal console, that I have to work directly on the database table..but I don'k know what table I have to search and what to do!!!

thanks. Since I have not experience with this, I'd like if you could confirm the best practice:

1- I download database locally but also the entire folder with all files of the website, I suppose..that's right?
2- when i have the website installed on my local computer I have to instal drush in the root of it?
3-what is the command i have to launch with drush?
Sorry for my stupid question....Thank you!

Hi everybody and thanks for all!
Unfortunately nothing is working. Just clearing all the cache, but still have following error.
Any other ideas?
Thank you so much!
"Symfony\Component\Routing\Exception\RouteNotFoundException: Route "easy_breadcrumb.general_settings_form" does not exist. in Drupal\Core\Routing\RouteProvider->getRouteByName() (line 187 of core/lib/Drupal/Core/Routing/RouteProvider.php).
Drupal\Core\Routing\UrlGenerator->getRoute('easy_breadcrumb.general_settings_form') (Line: 121)
Drupal\Core\Routing\UrlGenerator->getPathFromRoute('easy_breadcrumb.general_settings_form', Array) (Line: 68)
Drupal\Core\Render\MetadataBubblingUrlGenerator->getPathFromRoute('easy_breadcrumb.general_settings_form', Array) (Line: 772)
Drupal\Core\Url->getInternalPath() (Line: 129)
Drupal\Core\Utility\LinkGenerator->generate('Easy Breadcrumb', Object) (Line: 94)
Drupal\Core\Render\Element\Link::preRenderLink(Array)
call_user_func(Array, Array) (Line: 381)
Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 195)
Drupal\Core\Render\Renderer->render(Array) (Line: 468)
Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 105)
__TwigTemplate_a635821f5ef115e27ed949e2c2ff033538d465edea1f20cf1d69b6d0a57fbb1e->getmenu_links(Array, Object, 1) (Line: 112)
__TwigTemplate_a635821f5ef115e27ed949e2c2ff033538d465edea1f20cf1d69b6d0a57fbb1e->getmenu_links(Array, Object, 0) (Line: 48)
__TwigTemplate_a635821f5ef115e27ed949e2c2ff033538d465edea1f20cf1d69b6d0a57fbb1e->doDisplay(Array, Array) (Line: 381)
Twig_Template->displayWithErrorHandling(Array, Array) (Line: 355)
Twig_Template->display(Array) (Line: 366)
Twig_Template->render(Array) (Line: 64)
twig_render_template('core/themes/stable/templates/navigation/menu--toolbar.html.twig', Array) (Line: 384)
Drupal\Core\Theme\ThemeManager->render('menu__toolbar__admin', Array) (Line: 435)
Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 195)
Drupal\Core\Render\Renderer->render(Array, 1) (Line: 151)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 574)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 152)
Drupal\Core\Render\Renderer->renderPlain(Array) (Line: 327)
_toolbar_do_get_rendered_subtrees(Array)
call_user_func('_toolbar_do_get_rendered_subtrees', Array) (Line: 381)
Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 195)
Drupal\Core\Render\Renderer->render(Array, 1) (Line: 151)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 574)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 152)
Drupal\Core\Render\Renderer->renderPlain(Array) (Line: 297)
toolbar_get_rendered_subtrees() (Line: 355)
_toolbar_get_subtrees_hash() (Line: 167)
toolbar_toolbar()
call_user_func_array('toolbar_toolbar', Array) (Line: 402)
Drupal\Core\Extension\ModuleHandler->invokeAll('toolbar') (Line: 81)
Drupal\toolbar\Element\Toolbar::preRenderToolbar(Array)
call_user_func(Array, Array) (Line: 381)
Drupal\Core\Render\Renderer->doRender(Array) (Line: 448)
Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 195)
Drupal\Core\Render\Renderer->render(Array) (Line: 468)
Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 86)
__TwigTemplate_b75bbda3f525736abc90393fbbe65aea000ac0dd13606b86d4cdb612844c3e38->doDisplay(Array, Array) (Line: 381)
Twig_Template->displayWithErrorHandling(Array, Array) (Line: 355)
Twig_Template->display(Array) (Line: 366)
Twig_Template->render(Array) (Line: 64)
twig_render_template('core/themes/classy/templates/layout/html.html.twig', Array) (Line: 384)
Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 435)
Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 195)
Drupal\Core\Render\Renderer->render(Array) (Line: 147)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 574)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 148)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object) (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.view', Object) (Line: 144)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 62)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 98)
Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 77)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 50)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 628)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)"

Hi! I cannot access administration page. Drupal version = '8.1.10'

Cannot execute update.php or any other action. Also I cannot access administration page.
Only have access via ftp

HI renato! the versione of easy Breadcrumb was version: '8.x-1.0', but now there is no folder with this module! Now I don't remember for what reason but I delated the folder of that module...