Value diff in debugger and ALV

i am stuck with a wierd problem in simple alv report.

here the problem starts. i am displaying the customer region from table KNA1.

the data has been selected perfectly.

when i see the value of field REGIO --> it is showing the correct value.

but when the alv is displayed ,suddenly the field is showing date.

here is the field catalogue.

when i see in debugger it shows like this:

and this is how alv gets displayed.no idea!!

i am really wondering why is this happening and came across such a problem 1st time.

suggest some solutions plz.