Martin Dew wrote:

>What happens if you edit that field and empty the inserted value and try
>and save ?
>
>If that works, then try and re- edit this value again to a 3 character
>length value.
>
>

Hi

Thanks for you fast reponse :-)

Iam sorry for what I have said earlier. I don't know what happen while
Iam still trying to figure it out this problem I try to insert a new
record again, and now this time the error also occurs.

Any idea?

James