Project Server project file to Access DB

[Buzz]

I am saving a Microsoft Porject 2002 project file as a
database. When I open my project file, I get the error
that the RES_PEAK is wrong.

An import error occured.

Check Row 57 column RES_PEAK.

For Work type resources (such as people or machinery),
type a positive number between 0 and 60,000,000 (or
6,000,000,000 percent) with up to two decimal places.

Material type resource assignments (such as consumable
materials like fuel or cement) can be either fixed or
variable. For a fixed material resource assignment, type
the units value alone. For example, "10" would mean "10
tons", if your material label was, for example, "tons".

For a variable material resource assignment, type the
units value, a s

To continue importing with additional error messages,
click Yes.
To continue importing with no error messages, click No.
To stop importing, click Cancel.

I have gone into the database, and Row 57, column RES_PEAK
is a negative number. Can I type in a positive number,
and save the database back as a project file? Or how can
I fix the project file to create a positive RES_PEAK
number?

Absolutely stumped by this one,
Buzz