Error while doing SECATT for vendor invoice posting

Dear all ,

I am trying to do upload a vendor invoice posting(F-43) from t-code : SECATT . but it will not processed further .

I followed step as below.

1. Create a test script using t-code : SECATT.

2. Interface use for F-43 T-CODE is F_1.

3 When i am trying to save and enter a particular set of field which i needed to upload a invoice ,

System not popup a maintenance parameter message for import .

Please help me out in that .

Thnaks & regards.