Adobe Acrobat License Error

Overview

When attempting to Save as Adobe PDF or print using the Adobe PDF printer, you receive the following error:

Your request could not be completed. Adobe Acrobat License has either expired or not be activated.

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.