Hello Mark Gorey,
Hope you are well. please update your WPDM plugin to the latest version. I hope it will work fine then. For updating the WPDM PRO main plugin, Please simply click the Save Settings again for the license key option from Downloads > Settings > License
, and then please update the plugin from the wp-admin > plugins
panel.
Alternatively, You can also download them from here.
please check and let me know
Thank you and regards