[Error] Item has already been added. Key in dictionary: '' Key being added: '.
This error has been reported in some cases involving Structured FrameMaker documents. The cause is generally unknown, but it does seem to affect only the older versions of ePublisher. Upgrading to the latest release (v 9.2.2+) appears to resolve the issue. If you run into this error and you are not able to resolve the problem by upgrading, please submit a Support case.