You can find the answers to many questions here, it’s very likely someone before experienced the same problem as you do. Otherwise you can also submit an issue ticket and wait for our help.
Last update January 20, 2022 / This article concerns Mac OS X users only
It may happen your OS X version is no longer suported by the current version of D16 plug-in. On such occasions it's recommended either upgrading your OS X version or going back to older version of our product.
If you choose the second way of resolving this problem, having a valid account at User Area gives you an access to all versions of a plug-in you do own a license for.
This FAQ entry will show you where to look for the previous version of a D16 product
Make sure which version of a plug-in will be suitable for your OS X version and host application. You may do it by checking plug-in's compatibilty chart here.
Use the search or contact our staff:Submit a ticket