# Unable to install mautic

**URL:** https://forum.mautic.org/t/unable-to-install-mautic/5242
**Category:** Product Support
**Created:** [October 3, 2016, 8:06am UTC](https://forum.mautic.org/t/unable-to-install-mautic/5242 "2016-10-03T08:06:16Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![abhayasimha](https://avatars.discourse-cdn.com/v4/letter/a/9d8465/32.png) [@abhayasimha](https://forum.mautic.org/u/abhayasimha)
#### Post date: [October 3, 2016, 8:06am UTC](https://forum.mautic.org/t/unable-to-install-mautic/5242/1 "2016-10-03T08:06:16Z")

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I am unable to install mautic and the error logs shows below error. Please help me to install the same.  
  
  
  
[Sat Sep 24 17:54:14.303714 2016] [:error] [pid 31949] [client 122.171.93.224:51602] exception ‘RuntimeException’ with message ‘Failed to write cache file “/var/www/html/solutionbuggy.com/public\_html/mautic/app/cache/prod/classes.php”.’ in /var/www/html/solutionbuggy.com/public\_html/mautic/vendor/symfony/class-loader/ClassCollectionLoader.php:248nStack trace:n#0 /var/www/html/solutionbuggy.com/public\_html/mautic/vendor/symfony/class-loader/ClassCollectionLoader.php(122): Symfony\Component\ClassLoader\ClassCollectionLoader::writeCacheFile(’/var/www/html/s…’, ‘\<?php \nnamespac…’)n#1 /var/www/html/solutionbuggy.com/public\_html/mautic/app/bootstrap.php.cache(2642): Symfony\Component\ClassLoader\ClassCollectionLoader::load(Array, ‘/var/www/html/s…’, ‘classes’, false, false, ‘.php’)n#2 /var/www/html/solutionbuggy.com/public\_html/mautic/app/AppKernel.php(244): Symfony\Component\HttpKernel\Kernel-\>doLoadClassCache(‘classes’, ‘.php’)n#3 /var/www/html/solutionbuggy.com/public\_html/mautic/app/AppKernel.php(110): AppKernel-\>boot()n#4 /var/www/html/solutionbuggy.com/public\_html/mautic/app/middlewares/CORSMiddleware.php(91): AppKernel-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)n#5 /var/www/html/solutionbuggy.com/public\_html/mautic/app/middlewares/CatchExceptionMiddleware.php(43): Mautic\Middleware\CORSMiddleware-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)n#6 /var/www/html/solutionbuggy.com/public\_html/mautic/app/middlewares/VersionCheckMiddleware.php(56): Mautic\Middleware\CatchExceptionMiddleware-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)n#7 /var/www/html/solutionbuggy.com/public\_html/mautic/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Mautic\Middleware\VersionCheckMiddleware-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)n#8 /var/www/html/solutionbuggy.com/public\_html/mautic/vendor/stack/run/src/Stack/run.php(13): Stack\StackedHttpKernel-\>handle(Object(Symfony\Component\HttpFoundation\Request))n#9 /var/www/html/solutionbuggy.com/public\_html/mautic/index.php(30): Stack\run(Object(Stack\StackedHttpKernel))n#10 {main}

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<div class="post-metadata">

### Author: ![abhayasimha](https://avatars.discourse-cdn.com/v4/letter/a/9d8465/32.png) [@abhayasimha](https://forum.mautic.org/u/abhayasimha)
#### Post date: [October 3, 2016, 8:06am UTC](https://forum.mautic.org/t/unable-to-install-mautic/5242/2 "2016-10-03T08:06:16Z")

</div>

I am unable to install mautic and the error logs shows below error. Please help me to install the same.

[Sat Sep 24 17:54:14.303714 2016] [:error] [pid 31949] [client 122.171.93.224:51602] exception ‘RuntimeException’ with message ‘Failed to write cache file “/var/www/html/solutionbuggy.com/public\_html/mautic/app/cache/prod/classes.php”.’ in /var/www/html/solutionbuggy.com/public\_html/mautic/vendor/symfony/class-loader/ClassCollectionLoader.php:248nStack trace:n#0 /var/www/html/solutionbuggy.com/public\_html/mautic/vendor/symfony/class-loader/ClassCollectionLoader.php(122): Symfony\Component\ClassLoader\ClassCollectionLoader::writeCacheFile(’/var/www/html/s…’, ‘\<?php \nnamespac…’)n#1 /var/www/html/solutionbuggy.com/public\_html/mautic/app/bootstrap.php.cache(2642): Symfony\Component\ClassLoader\ClassCollectionLoader::load(Array, ‘/var/www/html/s…’, ‘classes’, false, false, ‘.php’)n#2 /var/www/html/solutionbuggy.com/public\_html/mautic/app/AppKernel.php(244): Symfony\Component\HttpKernel\Kernel-\>doLoadClassCache(‘classes’, ‘.php’)n#3 /var/www/html/solutionbuggy.com/public\_html/mautic/app/AppKernel.php(110): AppKernel-\>boot()n#4 /var/www/html/solutionbuggy.com/public\_html/mautic/app/middlewares/CORSMiddleware.php(91): AppKernel-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)n#5 /var/www/html/solutionbuggy.com/public\_html/mautic/app/middlewares/CatchExceptionMiddleware.php(43): Mautic\Middleware\CORSMiddleware-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)n#6 /var/www/html/solutionbuggy.com/public\_html/mautic/app/middlewares/VersionCheckMiddleware.php(56): Mautic\Middleware\CatchExceptionMiddleware-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)n#7 /var/www/html/solutionbuggy.com/public\_html/mautic/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Mautic\Middleware\VersionCheckMiddleware-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)n#8 /var/www/html/solutionbuggy.com/public\_html/mautic/vendor/stack/run/src/Stack/run.php(13): Stack\StackedHttpKernel-\>handle(Object(Symfony\Component\HttpFoundation\Request))n#9 /var/www/html/solutionbuggy.com/public\_html/mautic/index.php(30): Stack\run(Object(Stack\StackedHttpKernel))n#10 {main}