(Urgent) Master Data Loading Error

Dear all,

as i'm loading master data full upload i got error as follows

<b>Data not received in PSA Table

Diagnosis

Data has not been updated in PSA Table . The request is probably still running or there was a short dump.

Procedure

In the short dump overview in BW, look for the short dump that belongs to your data request. Make sure the correct date and time are specified in the selection screen.

You can use the wizard to get to the short dump list, or follow the menu path "Environment -> Short dump -> In Data Warehouse".

Removing errors

Follow the instructions in the short dump.</b>

where in PSA the 1st & 2nd Packets r not available where the nex three packet r avaliable.

plz assist be on this

Thank's in Advance

SAP