andrabr

you are not alone

Solution to MY problem:

in WordPress 2.0.4 This plugin gave me horrible blank screen until I read up on documentation and changed the line before last to look like this:

add_action(/*’wp_head’*/’template_redirect’, ‘check_the_user’);

You can see what was there before – I just commented it out.

Basically, it was using the wrong hook and trying to redirect you away from a page AFTER it would already send out its headers.

Enjoy!

Partial solution:

the problem is caused by your PHP running in SAFE mode.

You need to fix this in /etc/php.ini (or wherever php.ini is on your server) or get the sysadmin to fix it.

But WAIT! it is not necessarily over yet!

In you Apache configuration files (there are often several) there may be a line:
php_admin_flag safe_mode on

Change it to OFF or comment it out.

Make sure you understand the consequences – switching to OFF for a wrong directory may lead to all kinds of unpleasentness. Good luck!