syntax error in generated report

Hi,

I execute a transactions say VB21 and enter the sales org data and when i click the copy button, the processing takes place and finally i get a dialog that shows the generated log messages and which shows details like this..

status mesage Note

information 801 report rv13a944 generated

information 802 screen sapmv13a 2944 generated

errors 888 report rv13a921 has a syntax error

and so on.

Whats this transaction about ? and how do i debug the syntax error in the generated report ? Is this report generated out of ABAp query ? How do i trace this ? Any help ?

thks