# \[Urgent Help Needed\] The site is currently offline due to encountering an error.

**URL:** <https://forum.mautic.org/t/urgent-help-needed-the-site-is-currently-offline-due-to-encountering-an-error/5092>\
**Category:** Product Support\
**Created:** [August 28, 2016, 4:39pm UTC](https://forum.mautic.org/t/urgent-help-needed-the-site-is-currently-offline-due-to-encountering-an-error/5092 "2016-08-28T16:39:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![haraldroine](https://avatars.discourse-cdn.com/v4/letter/h/ac91a4/32.png) [@haraldroine](https://forum.mautic.org/u/haraldroine)\
**Post date:** [August 28, 2016, 4:39pm UTC](https://forum.mautic.org/t/urgent-help-needed-the-site-is-currently-offline-due-to-encountering-an-error/5092/1 "2016-08-28T16:39:08Z")

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Hi, I have been working with Mautic to setup my autoresponder, but suddenly I didn´t get access to Mautic and received this message on the website:  
  
“The site is currently offline due to encountering an error. If the problem persists, please contact the system administrator.  
  
System administrators, check server logs for errors.”  
  
  
  
When I go into the errors log, I get this one:  
  
[2016-08-28 17:33:58] mautic.CRITICAL: Uncaught PHP Exception SymfonyComponentDependencyInjectionExceptionInvalidArgumentException: “The parameter “; left: 50” must be defined.” at /customers/5/d/c/haraldroine.com/httpd.www/mautic/app/cache/prod/appProdProjectContainer.php line 11354 {“exception”:"[object] (Symfony\Component\DependencyInjection\Exception\InvalidArgumentException(code: 0): The parameter “;n left: 50” must be defined. at /customers/5/d/c/haraldroine.com/httpd.www/mautic/app/cache/prod/appProdProjectContainer.php:11354)"} []  
  
  
  
  
  
I have no idea of what to do, can someone please help me?  
  
-Harald

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<div class="post-metadata">

**Author:** ![haraldroine](https://avatars.discourse-cdn.com/v4/letter/h/ac91a4/32.png) [@haraldroine](https://forum.mautic.org/u/haraldroine)\
**Post date:** [August 28, 2016, 4:39pm UTC](https://forum.mautic.org/t/urgent-help-needed-the-site-is-currently-offline-due-to-encountering-an-error/5092/2 "2016-08-28T16:39:08Z")

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Hi, I have been working with Mautic to setup my autoresponder, but suddenly I didn´t get access to Mautic and received this message on the website:  
“The site is currently offline due to encountering an error. If the problem persists, please contact the system administrator.  
System administrators, check server logs for errors.”

When I go into the errors log, I get this one:  
[2016-08-28 17:33:58] mautic.CRITICAL: Uncaught PHP Exception SymfonyComponentDependencyInjectionExceptionInvalidArgumentException: “The parameter “; left: 50” must be defined.” at /customers/5/d/c/haraldroine.com/httpd.www/mautic/app/cache/prod/appProdProjectContainer.php line 11354 {“exception”:"[object] (Symfony\Component\DependencyInjection\Exception\InvalidArgumentException(code: 0): The parameter “;n left: 50” must be defined. at /customers/5/d/c/haraldroine.com/httpd.www/mautic/app/cache/prod/appProdProjectContainer.php:11354)"} []

I have no idea of what to do, can someone please help me?  
-Harald