我正在使用Symfony见解，它显示“ Symfony应用程序应可启动”。当我检查它时，它与我在运行时中使用的环境变量有关。由于安全问题，我无法在yml中设置它。
如何解决此问题？
SymfonyInsight无法启动您的Symfony应用程序。如果你 需要自定义文件或运行命令以使其可启动，您可以 编辑您的SymfonyInsight项目配置以覆盖默认设置 “ pre_composer_script”和/或“ post_composer_script”设置。
Symfony\Component\DependencyInjection\Exception\RuntimeException: A string value must be composed of strings and/or numbers, but found parameter "adfs_entity_id" of type NULL inside string value "%adfs_entity_id%%adfs_secure_path%". in /home/foobar/code/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php:219
Stack trace:
#0 [internal function]: Symfony\Component\DependencyInjection\ParameterBag\ParameterBag->Symfony\Component\DependencyInjection\ParameterBag\{closure}(Array)
#1 /home/foobar/code/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php(226): preg_replace_callback('/%%|%([^%\\s]+)%...', Object(Closure), '%adfs_entity_id...')
#2 /home/foobar/code/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php(171): Symfony\Component\DependencyInjection\ParameterBag\ParameterBag->resolveString('%adfs_entity_id...', Array)
#3 /home/foobar/code/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php(161): Symfony\Component\DependencyInjection\ParameterBag\ParameterBag->resolveValue('%adfs_entity_id...', Array)
#4 /home/foobar/code/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Compiler/ResolveParameterPlaceHoldersPass.php(37): Symfony\Component\DependencyInjection\ParameterBag\ParameterBag->resolveValue(Array)
#5 /home/foobar/code/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Compiler/Compiler.php(102): Symfony\Component\DependencyInjection\Compiler\ResolveParameterPlaceHoldersPass->process(Object(ExtendedContainerBuilder))
#6 /home/foobar/code/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/ContainerBuilder.php(587): Symfony\Component\DependencyInjection\Compiler\Compiler->compile(Object(ExtendedContainerBuilder))
#7 phar:///home/foobar/bin/insight.phar/src/Insight/Sniffer/ExtendedContainerBuilderSf3.php(13): Symfony\Component\DependencyInjection\ContainerBuilder->compile()
#8 /home/foobar/code/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(508): ExtendedContainerBuilder->compile()
#9 /home/foobar/code/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(131): Symfony\Component\HttpKernel\Kernel->initializeContainer()
#10 /home/foobar/code/app/InsightAppKernel.php(15) : eval()'d code(7): Symfony\Component\HttpKernel\Kernel->boot()
#11 /home/foobar/code/app/InsightAppKernel.php(15): eval()
#12 {main}