Error :
------
Site Error
An error was encountered while publishing this resource. 

exceptions.MemoryError

Sorry, a site error occurred. 
Traceback (innermost last): 
Module  ZPublisher.Publish, line 196, in publish_module_standard   
Module  Products.PlacelessTranslationService.PatchStringIO, line 34, in new_publish   
Module  ZPublisher.Publish, line 146, in publish  
Module  Zope2.App.startup, line 188, in zpublisher_exception_hook   
Module  Products.SiteErrorLog.SiteErrorLog, line 216, in raising   
Module  Products.SiteErrorLog.SiteErrorLog, line 227, in _do_copy_to_zlog  
MemoryError 

Disk space :
----------
[plone@bn-pandora dev-net]$ df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup_ID_7837-LogVol1
                     1008M  279M  678M  30% /
/dev/sda3              99M   13M   82M  13% /boot
none                  4.0G     0  4.0G   0% /dev/shm
/dev/mapper/VolGroup_ID_7837-LogVol3
                      240G   51G  178G  23% /usr
/dev/mapper/VolGroup_ID_7837-LogVolHome
                      856G  220G  593G  28% /zope


In the zope configuration :
-----------------
large-file-threshold 5Mb