Diagnosis
Start of selection period: &V1& &V2&
End of selection period: &V3& &V4&
You either selected a start date that was after the end date during theinitial run, or environment parameter SVT_TRACKING_DIFF_TIME (for thetime interval for substance volume tracking) was changed. Consequently,the end of the new selection period lies before the end of the last run.

System Response
No substance volumes are tracked.

Procedure
Either change the selection criteria, or do not execute the substancevolume tracking again until enough time has passed since the last runand there are more substance volumes to track.