Pls fix VDATA_UPDATE_SITE the Joomla Update Sites Manager Extension update

Nothing happens here not updates and no changelog to prove any activity...

Goodbye!

Hi

I did a ticket and s t i l l you not fix this from Site update manager in Joomla get this notification bcs your update server.

"Some update sites are disabled. You may want to check the Update Sites Manager.
Update: Could not open update site #4600 "VDATA_UPDATE_SITE", URL: www.wdmtech.com/prod_updates/vdata-custom-upgrade.xml
Update: Could not open update site #4603 "VDATA_UPDATE_SITE", URL: www.wdmtech.com/prod_updates/vdata-upgrade.xml
Before updating ensure that the update is compatible with your Joomla! installation.
You are strongly advised to make a backup of your site's files and database before you start updating."

VDATA_UPDATE_SITE
www.wdmtech.com/prod_updates/vdata-upgrade.xml