After installing thold, "Settings" page opens empty

[ShiftInsert]

Turning off thold doesn't help, uninstalling thold restores access to the "Settings" page.
Reinstalling thold leads to an empty Settings page again.

I am using Cacti-0.8.8b.exe all-in-one install from this forum.
I deliberately turned off and uninstalled a few other plugins, still no luck.

Either I have all those plugins and thold uninstalled with Settings page accessable and fully working, or I have thold installed (both with and without other plugins), and an empty Settings page.

Any hints, please?

[ShiftInsert]

Sorry, I haven't searched properly, the solution is to comment the following line:

define_syslog_variables()

in the file

\cacti\plugins\thold\includes\settings.php