[Koha] sudo -u koha zebrasrv -f /etc/koha/koha-conf.xml

[Nouman soomro]

when I run this command ' sudo -u koha zebrasrv -f /etc/koha/koha-conf.xml'
It show the following error. how can I fix it

sudo -u koha zebrasrv -f /etc/koha/koha-conf.xml
sudo: no passwd entry for koha!

plz help in this regard
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