I use shared hosting for my Drupal 6.15 website (Yes, I will update as soon as this problem is solved). The used modules are listed below.
Since a few days, I have a WSOD only on all admin pages, almost 100% of the time, especially the important ones.
Only common users have been using the site, not the admin AFAIK.
I did follow the advice at these pages, but nothing seems to help:
http://drupal.org/node/482956
http://drupal.org/node/158043
http://drupal.org/node/31819
Drupal 6.15
PHP Version 5.2.9
MySQL-database 5.0.82sp1
I managed to switch off the poormanscron and admin_language modules by changing the status field in the system database table with phpMyAdmin, since I suspected these (but it did not help). I also switched off clean URLs.
I created a phpinfo page at http://www.amwn.be/phpinfo.php (I will remove this in a few days for security).
The error report in the host error logging file:
[Fri Apr 02 09:23:53 2010] [error] [client 193.53.238.195] PHP Fatal error: Cannot call overloaded function for non-object in /var/www/vhosts/amwn.be/httpdocs/includes/bootstrap.inc on line 1102, referer: http://www.amwn.be/?q=login
[Fri Apr 02 10:51:37 2010] [error] [client 91.181.122.7] PHP Fatal error: Cannot call overloaded function for non-object in /var/www/vhosts/amwn.be/httpdocs/includes/file.inc on line 932
Both of these errors are logged a number of times. I do not know if these cause the WSOD, but I presume so.
I checked bootstrap.inc and file.inc for the given line numbers, and both contain the is_null() function. My knowledge of php is limited - maybe this function is somewhere wrongly overloaded?
Please help! What could cause this problem?
My modules:
admin_language
advanced_help
backup_migrate
calendar
cck
contact_forms
date
ddblock
file_aliases
filefield
filefield_paths
globalredirect
imagefield
jquery_ui
jquery_update
menu_block
menu_breadcrumb
mimedetect
pathfilter
poormanscron
print
site_map
token
transliteration
views
webform
xmlsitemap
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