500 inernal server error

[xpwmaster]

when me or other users open new thread in the forum .with long charter urls or words in the Title topic . i get 500 inernal server error after the post . and no one can read that post they get 500 inernal server error as well .can u guys help me why does it happend and how can i fix it .

As i checked in server log, i found out that internal server error due to script unable to connect to class_core.php
++++++++++++++++++++++++++
[Sun Jun 08 11:54:58 2014] [error] [client 111.90.136.109] ] [notice] EACCELERATOR(303846): PHP crashed on opline -1229782938247309234 of vb_error_handler() at /home/mysite/public_html/includes/class_core.php:2247

please help

[Lynne]

Disable your eaccelerator and then see if you still have the same problem.

[RichieBoy67]

I experienced this before:

Use this to disable

eaccelerator.enable 0
eaccelerator.optimizer 0

You could even try adding that to your htaccess but if that doesnt work change it in php config

[xpwmaster]

thanks guys