We have the issue where every url that should return the 404 page, caused the following error
1 exception(s):
Exception #0 (LogicException): Front controller reached 100 router match iterations
Exception #0 (LogicException): Front controller reached 100 router match iterations
<pre>#1 MagentoFrameworkAppFrontControllerInterceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]
#2 MagentoFrameworkAppFrontControllerInterceptor->MagentoFrameworkInterception{closure}() called at [vendor/magento/module-store/App/FrontController/Plugin/RequestPreprocessor.php:99]
#3 MagentoStoreAppFrontControllerPluginRequestPreprocessor->aroundDispatch() called at [vendor/magento/framework/Interception/Interceptor.php:135]
#4 MagentoFrameworkAppFrontControllerInterceptor->MagentoFrameworkInterception{closure}() called at [vendor/magento/module-page-cache/Model/App/FrontController/BuiltinPlugin.php:71]
#5 MagentoPageCacheModelAppFrontControllerBuiltinPlugin->aroundDispatch() called at [vendor/magento/framework/Interception/Interceptor.php:135]
#6 MagentoFrameworkAppFrontControllerInterceptor->MagentoFrameworkInterception{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#7 MagentoFrameworkAppFrontControllerInterceptor->___callPlugins() called at [generated/code/Magento/Framework/App/FrontController/Interceptor.php:23]
#8 MagentoFrameworkAppFrontControllerInterceptor->dispatch() called at [vendor/magento/framework/App/Http.php:116]
#9 MagentoFrameworkAppHttp->launch() called at [generated/code/Magento/Framework/App/Http/Interceptor.php:23]
#10 MagentoFrameworkAppHttpInterceptor->launch() called at [vendor/magento/framework/App/Bootstrap.php:264]
#11 MagentoFrameworkAppBootstrap->run() called at [pub/index.php:30]
</pre>