Error with PO Header Text

Hi Gurus and Experts.

I need your help, i was succes to print out PO Header Text, and rightnow, when i am going to print a PO without header text, an error appear like this.

Include text 4700000028 does not exist (object EKKO, ID F01)

Details : 4700000028 = My PO Number (PO withouot header text)

Object EKKO = that's and object to print Header Text PO.

ID F01 = an id that use to print PO header text.

In summary, 3 items in top is the identity of Text include in my smartform.

Gurus, Experts. Please help me to print a document without po header text with my smartform condition rightnow. <removed by moderator>