We are on MDG 7 and I see that the ERP vendor tab appears when the Numbering range group 0001 is assigned to a vendor account group for number range definition (BP to VENDOR).No changes to the UIBB. when I created an external number range to match the BP and Vendor number range, the UIBB for "ERP vendor" in BS_BP_OVP is greyed out. Am I missing something?