I just updated a site from EE 2.5.1 to 2.6.1, and from CartThrob 2.1.3 to 2.3.2. When I try to access any CartThrob settings pages, I get a white screen of death. The CartThrob Order Manager works fine. Here's what I've tried, with no luck:

  • I enabled debugging on my admin.php file. No new errors.
  • I enabled debugging in system/index.php. No new errors.
  • My PHP error log is blank
  • My PHP memory limit is really high (750M on my local server)
  • I disabled extensions


  • Did you try enabling error reporting in the /system/index.php file?
    – Jim Wyse
    Commented Jun 13, 2013 at 22:28
  • @JimWyse Good suggestion! Just tried it, but the white screen remains!
    – kmgdev
    Commented Jun 13, 2013 at 23:52
  • Are errors turned on in the php.ini? Can you put up a simple php file with <?php { echo "12345 ?> and see if an error comes back?
    – Jim Wyse
    Commented Jun 14, 2013 at 0:04
  • When you upgraded, did you overwrite the folders, or delete them and upload the new files fresh? Try that and see what happens.
    – Jim Wyse
    Commented Jun 14, 2013 at 0:06
  • I'm pretty sure error logging is turned on in php.ini. I have error_reporting = E_ALL, error_log = "C:\wamp\logs\php_errors.log", log_errors = On, and display_errors = On. I created the broken PHP file you suggested, and I got a front-end php error, and a php error in the Apache error log, but nothing in the PHP error log.
    – kmgdev
    Commented Jun 14, 2013 at 15:58

1 Answer 1


I had this issue myself. I uninstalled the HealthCheck accessory and viola - CT Settings! If you are using HealthCheck, you will have problems with CartThrob.

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