Most likely because there is no data visible to it.
regards

>Why would a report come up on screen and immediately disappear? The call is:
>
>

>REPORT FORM rptDiarioCaja NOCONSOLE PREVIEW
>

>
>The curious thing is, it was working a couple of hours ago. The latest changes to it were replacing variables shown in a field with function calls (I have since changed back to variables).
>
>Would appreciate any leads. TIA,
>
>Alex