what does this message #name? mean??

[wedd]

I created an automated calculation feature on my form and the following #name? appeared in a blank field. What does this mean?


Thanks

[SoftwareMatt]

The name that you have used in the calculated field is not valid:
http://office.microsoft.com/en-ca/access-help/i-see-name-displayed-in-a-control-HA001181447.aspx