HANA Live Activation issue in Custom Name space

Hi Folks ,

I am finding this issue when I am trying to copy and activate in the custom name space . its throwing me a list of errors

Take this

I copied it from the SAP -> ECC package to my custom name space .

The attached file  are the errors which I am getting .

What are the best practices for copying VDM,s to customer name space and activating the same .

Please share any docs if available .

Thanks in advance and much appreciated support