Transfer failed with 1001 already exist

SYSTEM INFORMATION
OS type and version Ubuntu Linux 24.04.5
Webmin version 2.670
Virtualmin version 8.2.0 GPL
Theme version 26.70
Apache version 2.4.58
Package updates All installed packages are up to date

Hello team,

was transferring a server onto newly installed server & the transfer failed with below error

Checking for missing features ..
.. all features in backup are supported

Checking for errors in backup ..
.. this backup cannot be restored : A unix user with UID 1001 already exists

ideally new id should have been assigned to the domain being transferred.

this is id 1001 on new server if required for debugging purpose.

uid=1001(_hostname) gid=1001(_hostname) groups=1001(_hostname)