Overview
When attempting to Save as Adobe PDF or print using the Adobe PDF printer, you receive the following error:
Resolution
When this occurs, open Adobe Acrobat Pro, then minimize the program (do not close it), and try saving or printing again to a pdf.
If it still doesn't work, close out of Adobe Acrobat Pro. Open Adobe Creative Cloud. Log out of Creative Cloud, close the application, re-open, and log back in. Install any listed updates. Once this is done. Open Acrobat again, then try saving or printing to pdf.