Two activation keys were purchased, order #’s 33103 and 34247. 33103 expired on April 23, 2022, the other key is active with a key ending in “94D6E” expiring on January 26, 2023.
If you confirm that your key is correct then try merging a PDF from the plugin’s EXPORT tab and let us know the result, and if you are using an SMTP plugin then try disabling the plugin and testing the PDF again.
We remain at your service.