se319 - when deleting SES

Dear All,

Service PO created with 1 PO enactment point and 10 work enactment items (without work No.)

For Service enactment point 6 and 7 , Service introduction expanse created and GRN besides posted successful the background.

In the SES display, it is showing each the 9 enactment items with zero quantity but 6 and 7.

After GR idiosyncratic has manually revoked the Acceptance indicator.

Now lawsuit privation to delete the work introduction expanse but it is showing mistake as"Please participate the quantity SE319".

If one participate quantity past pursuing mistake displays "SE363 Quantity exceeds the quantity successful acquisition order"

Please suggest however to delete the work introduction sheet.