SAP Program RV60SBT1 - Creating Billing Documents Collectively

1329676Credit Management: remaining open delivery after billing
390503Billing docs with zero qty for already billed SD documents.
111813Billing doc: Collective run differs from individual creation
389083Batch Jobs stall at CL_XTAX_RULES_RFC
147896RV60SBT1 : Error message OO264 (status & is missing)