Issue with 'BAPI_ENTRYSHEET_CREATE' - Mass Upload

Dears,

I person Issue with BAPI_ENTRYSHEET_CREATE that I request assistance with,
I person make a programme for wide upload expanse for Creating Entry Sheet, by uploading PO , Item, Service Item. each happening goes well, and introduction expanse created successfully.
The Issue is: sometimes the aforesaid PO Item person the aforesaid work galore times with antithetic Gross terms and Network.
The customized programme behaver is instrumentality the archetypal work line`s (Gross terms & Network) and replicate it to the different work lines.
which is not close arsenic the work lines are recovered galore clip with antithetic networks.
However Tcode: ML81N could grip this by prime the point service, and everything goes good with standard.
but the customized program, I tin not recovered the mode to grip this.

Appreciate immoderate enactment with this matter.
Thanks
Mahmoud