PHP Fatal error: Vendor library

Error: Uncaught exception 'RuntimeException' with message 'Unable to create the storage directory (/app/cache/profiler/3b/18).' in /vendor/symfony/http-kernel/Profiler/FileProfilerStorage.php:143
Stack trace:
#0 /vendor/symfony/http-kernel/Profiler/Profiler.php(119): Symfony\Component\HttpKernel\Profiler\FileProfilerStorage->write(Object(Symfony\Component\HttpKernel\Profiler\Profile))
#1 /vendor/symfony/http-kernel/EventListener/ProfilerListener.php(158): Symfony\Component\HttpKernel\Profiler\Profiler->saveProfile(Object(Symfony\Component\HttpKernel\Profiler\Profile))
#2 [internal function]: Symfony\Component\HttpKernel\EventListener\ProfilerListener->onKernelTerminate(Object(Symfony\Component\HttpKernel\Event\PostResponseEvent), 'kernel.terminat...', Object(Symfony\Component\HttpKernel\Debug\TraceableEventDispatcher))
#3 /vendor/symfony/event-dispatcher/Debug/WrappedListener.php(61)
File: /vendor/symfony/http-kernel/Profiler/FileProfilerStorage.php
Line: 143

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