# "The session id is too long" on install

**URL:** <https://forum.mautic.org/t/the-session-id-is-too-long-on-install/4950>\
**Category:** Product Support\
**Created:** [August 18, 2016, 3:16pm UTC](https://forum.mautic.org/t/the-session-id-is-too-long-on-install/4950 "2016-08-18T15:16:16Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Luisfm](https://avatars.discourse-cdn.com/v4/letter/l/a9adbd/32.png) [@Luisfm](https://forum.mautic.org/u/Luisfm)\
**Post date:** [August 18, 2016, 3:16pm UTC](https://forum.mautic.org/t/the-session-id-is-too-long-on-install/4950/1 "2016-08-18T15:16:16Z")

</div>

Hey guys o/  
  
how are you?  
  
  
  
I’m looking for help, I’m getting a error when i try to install Mautic 2.1.0 on my VPS.  
  
  
  
My SO is CentOs with:  
  
  
  
Apache Version: 2.2.15  
  
PHP Version: 5.6.24  
  
MySQL Version: 5.5.51  
  
  
  
  
  
The log:

Code:

[2016-08-18 16:11:04] mautic.WARNING: PHP Warning: SessionHandler::read(): The session id is too long or contains illegal characters, valid characters are a-z, A-Z, 0-9 and '-,' - in file /var/sentora/hostdata/zadmin/public\_html/mautic/vendor/symfony/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php - at line 69 [] [] [2016-08-18 16:11:04] mautic.CRITICAL: Uncaught PHP Exception Exception: "There is no suitable CSPRNG installed on your system" at /var/sentora/hostdata/zadmin/public\_html/mautic/vendor/paragonie/random\_compat/lib/random.php line 185 {"exception":"[object] (Exception(code: 0): There is no suitable CSPRNG installed on your system at /var/sentora/hostdata/zadmin/public\_html/mautic/vendor/paragonie/random\_compat/lib/random.php:185)"} [] [2016-08-18 16:11:04] mautic.ERROR: Warning: SessionHandler::write(): The session id is too long or contains illegal characters, valid characters are a-z, A-Z, 0-9 and '-,' - in file /var/sentora/hostdata/zadmin/public\_html/mautic/vendor/symfony/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php - at line 77 [] []

---

<div class="post-metadata">

**Author:** ![Luisfm](https://avatars.discourse-cdn.com/v4/letter/l/a9adbd/32.png) [@Luisfm](https://forum.mautic.org/u/Luisfm)\
**Post date:** [August 18, 2016, 3:16pm UTC](https://forum.mautic.org/t/the-session-id-is-too-long-on-install/4950/2 "2016-08-18T15:16:16Z")

</div>

Hey guys o/  
how are you?

I’m looking for help, I’m getting a error when i try to install Mautic 2.1.0 on my VPS.

My SO is CentOs with:

Apache Version: 2.2.15  
PHP Version: 5.6.24  
MySQL Version: 5.5.51

The log:

```auto
[2016-08-18 16:11:04] mautic.WARNING: PHP Warning: SessionHandler::read(): The session id is too long or contains illegal characters, valid characters are a-z, A-Z, 0-9 and '-,' - in file /var/sentora/hostdata/zadmin/public_html/mautic/vendor/symfony/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php - at line 69 [] []
[2016-08-18 16:11:04] mautic.CRITICAL: Uncaught PHP Exception Exception: "There is no suitable CSPRNG installed on your system" at /var/sentora/hostdata/zadmin/public_html/mautic/vendor/paragonie/random_compat/lib/random.php line 185 {"exception":"[object] (Exception(code: 0): There is no suitable CSPRNG installed on your system at /var/sentora/hostdata/zadmin/public_html/mautic/vendor/paragonie/random_compat/lib/random.php:185)"} []
[2016-08-18 16:11:04] mautic.ERROR: Warning: SessionHandler::write(): The session id is too long or contains illegal characters, valid characters are a-z, A-Z, 0-9 and '-,' - in file /var/sentora/hostdata/zadmin/public_html/mautic/vendor/symfony/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php - at line 77 [] []
```