Pushing new tag is prohibited by Gerrit !

Did I use the right command or is it really prohibited ?
If it is prohibited, it will be problematic for XDS  packages management (see question 2 below)

See also SPEC-1523 that also deals with tags and XDS versioning mechanism .

seb@seb-laptop: ~/.../gerrit.automotivelinux.org/gerrit/src/xds/xds-common(master)$ git push --tag gerrit master
Counting objects: 1, done.
Writing objects: 100% (1/1), 169 bytes | 169.00 KiB/s, done.
Total 1 (delta 0), reused 0 (delta 0)
remote: Processing changes: refs: 1, done   
To ssh://gerrit.automotivelinux.org:29418/src/xds/xds-common
 ! [remote rejected] v0.4.0 -> v0.4.0 (prohibited by Gerrit)
error: failed to push some refs to 'ssh://SebD@gerrit.automotivelinux.org:29418/src/xds/xds-common'

seb@seb-laptop: ~/.../gerrit.automotivelinux.org/gerrit/src/xds/xds-common(master)$ git remote -v
gerrit  ssh://SebD@gerrit.automotivelinux.org:29418/src/xds/xds-common (fetch)
gerrit  ssh://SebD@gerrit.automotivelinux.org:29418/src/xds/xds-common (push)
origin  ssh://SebD@gerrit.automotivelinux.org:29418/src/xds/xds-common (fetch)
origin  ssh://SebD@gerrit.automotivelinux.org:29418/src/xds/xds-common (push)