In Faculty Access for the Web, teachers are able to add documents for classes and assignments using the "Add shared documents" feature. These documents must be added to one class at a time and cannot be added to multiple classes at once like shared assignments can be. Because of this, calling these documents "shared" can be misleading.
Download and install the latest patch, which contains all fixes from previous patches. If you are running an older version, download and install the latest version and then the patch.