Hello @Mfirwana,
Sorry for this inconvenience.
Make sure that WPDM and all add-ons you are using of WPDM are in the latest version. Current version of WPDM free is 3.2.34
and WPDM Directory addon is 4.4.1
. If you can’t update it directry from WordPress dashboard, Please update from here.
If, still the problem exists then please share your admin login credentials with us in a private reply so that we can debug and give you a better solution about it?
Best Regards