What happen my Wallet have no sub-total and Total: is 0 ?

[x.0185]

Hi everyone, like the subject said my problem today is my wallet, when i add items on it, the Total is always Total: 0.
did any one have a same issue? 
Screen:

Thankyou
Abantecart is the best

[abantecart]

Check if you have subtotal ON in extensions -> Order Total

[x.0185]

Check if you have subtotal ON in extensions -> Order Total

It's working now PROBLEM SOLVED
Thank you to all Abantecart staff, for all the help and advice I've received .
Had a problems with my config recentley and you have managed to fix it for me.
it shows how caring and supportive these lovely people are on this site.
Thank you very much