print address in 1 line

invoiveHeaderTempLoc.CompanyAddress = strReplace(dirPartyPostalAddressView.Address,"\n"," ");

error : Voucher number must be filled in while posting PO invoice

error message: Acces denied to purchformletter_confirmation

error message: Acces denied to purchformletter_confirmation 

create Privilege
and add server method : FormletterService.postPurchaseOrderConfirmation
EffectiveAccess to Invoke