
Originally Posted by
boudewijn
Both safe mode and basedir restrictions put limitations on what PHP scripts can do. I don't oversee what impact safe mode set to on has on Zen-Cart, but both IM and the backup addon cannot function normally with the basedir restriction set to on. This prevents a script from accessing parts of the filesystem, and both addons need access to create files.
I begin to suspect that your ISP has changed these settings, causing the problems you have now.
If you run server info from the admin interface of Zen-Cart, and lookup open_basedir, you can see what setting is in effect right now. The same applies to safe_mode.