When install the website and enable the theme it causes the warning

[LOBsTerr]

Message | Warning: file_get_contents(/var/www/html/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/themes/custom/bootstrap_patterns/build/core/modules/system/templates/off-canvas-page-wrapper.html.twig): failed to open stream: No such file or directory in Twig_Loader_Filesystem->getSourceContext() (line 145 of /var/www/html/bootstrap_patterns/vendor/twig/twig/lib/Twig/Loader/Filesystem.php) #0 /var/www/html/bootstrap_patterns/build/core/includes/bootstrap.inc(582): _drupal_error_handler_real(2, 'file_get_conten...', '/var/www/html/b...', 145, Array) #1 [internal function]: _drupal_error_handler(2, 'file_get_conten...', '/var/www/html/b...', 145, Array) #2 /var/www/html/bootstrap_patterns/vendor/twig/twig/lib/Twig/Loader/Filesystem.php(145): file_get_contents('/var/www/html/b...') #3 /var/www/html/bootstrap_patterns/vendor/twig/twig/lib/Twig/Loader/Chain.php(70): Twig_Loader_Filesystem->getSourceContext('themes/custom/b...') #4 /var/www/html/bootstrap_patterns/vendor/twig/twig/lib/Twig/Environment.php(449): Twig_Loader_Chain->getSourceContext('themes/custom/b...') #5 /var/www/html/bootstrap_patterns/build/core/themes/engines/twig/twig.engine(64): Twig_Environment->loadTemplate('themes/custom/b...') #6 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Theme/ThemeManager.php(384): twig_render_template('themes/custom/b...', Array) #7 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Render/Renderer.php(493): Drupal\Core\Theme\ThemeManager->render('off_canvas_page...', Array) #8 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Render/Renderer.php(195): Drupal\Core\Render\Renderer->doRender(Array, false) #9 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Template/TwigExtension.php(490): Drupal\Core\Render\Renderer->render(Array) #10 /var/www/html/bootstrap_patterns/build/sites/default/files/php/twig/5aafcda7c476b_html.html.twig_KMDjWz_OpJcQh84XN4ZFQN2BC/DUN9GovicJtVJxoiuaAvb9mmet6blW5xRulcB5iwDgg.php(90): Drupal\Core\Template\TwigExtension->escapeFilter(Object(Drupal\Core\Template\TwigEnvironment), Array, 'html', NULL, true) #11 /var/www/html/bootstrap_patterns/vendor/twig/twig/lib/Twig/Template.php(432): __TwigTemplate_1851d7a76e53df9c9a6b9fa5328c4c7d784772b2109ead0be693668c41ae4e88->doDisplay(Array, Array) #12 /var/www/html/bootstrap_patterns/vendor/twig/twig/lib/Twig/Template.php(403): Twig_Template->displayWithErrorHandling(Array, Array) #13 /var/www/html/bootstrap_patterns/vendor/twig/twig/lib/Twig/Template.php(411): Twig_Template->display(Array) #14 /var/www/html/bootstrap_patterns/build/core/themes/engines/twig/twig.engine(64): Twig_Template->render(Array) #15 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Theme/ThemeManager.php(384): twig_render_template('themes/custom/b...', Array) #16 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Render/Renderer.php(437): Drupal\Core\Theme\ThemeManager->render('html', Array) #17 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Render/Renderer.php(195): Drupal\Core\Render\Renderer->doRender(Array, false) #18 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(147): Drupal\Core\Render\Renderer->render(Array) #19 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Render/Renderer.php(582): Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() #20 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(148): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure)) #21 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/EventSubscriber/MainContentViewSubscriber.php(90): Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\CurrentRouteMatch)) #22 [internal function]: Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent), 'kernel.view', Object(Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher)) #23 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php(111): call_user_func(Array, Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent), 'kernel.view', Object(Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher)) #24 /var/www/html/bootstrap_patterns/vendor/symfony/http-kernel/HttpKernel.php(156): Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.view', Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent)) #25 /var/www/html/bootstrap_patterns/vendor/symfony/http-kernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #26 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #27 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #28 /var/www/html/bootstrap_patterns/build/core/modules/page_cache/src/StackMiddleware/PageCache.php(99): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #29 /var/www/html/bootstrap_patterns/build/core/modules/page_cache/src/StackMiddleware/PageCache.php(78): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true) #30 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #31 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(50): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #32 /var/www/html/bootstrap_patterns/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #33 /var/www/html/bootstrap_patterns/build/core/lib/Drupal/Core/DrupalKernel.php(657): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #34 /var/www/html/bootstrap_patterns/build/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #35 {main}.
-- | --

If I remove symlink and put theme files directly to the theme folder. it works without warning