Error while generating Object using SWO1!

Hi all,

guys, i have issues while Generating Object in SWO1.

1. i released my bapi as api method.

2. i released the object.

3. i am ttrying to generate the object.

im getting errors:

The data object "OBJECT" has no structure and therefore no component called

"KEY". .

but i odnt have problem with my bapi its working fine. could any one help me on this.

thanks & regards

chinta