Addition of a message that says ->please enter a user name when search button is clicked

[HishitaGupta]

Hello PA,
When Search button is clicked without entering a username, a null profile is shown which could be replaced by a proper message to enter username.
Please Assign me this issue.
Thanks
###Screenshot

[bishalde]

Sure go for it!

[Harsha19-08]

Can u please assign this issue to me.