Tags don't work

[Someone]

Hi there

I want to use [firstname] tag on messages
But Don't show the names in message
How to fix please ?

I'm on mac 8.4.9 version

 

[stanbusk]

Is the 'Singly' option checked in the Settings panel?

 

[Someone]

Yes... I think.
On my version 8.4.9 ... I don't see the option on the settings panel

 

[Someone]

Oh Yes... I have it... problem seems to be fixed.
Thanks