D365 ... does not implement the delegate 'convertPurchTableFieldToVendInvoiceDelegate' This is a fun surprise that can take a bit of digging. When adding fields to the PurchTable table's HeaderToLineUpdate field group, this error can pop up if they aren't accounted for in
Tips Tricks The sales order cannot be deleted because related not posted transactions exist Breaking up with sales orders can be hard to do. You try your best to make invoicing work, but eventually you cut your losses and to part ways. Or at least try to.
Tips Tricks Entity cannot be deleted while dependent Entities for a processing group exist. Delete dependent Entities for a processing group and try again. Entity cannot be deleted while dependent Entities for a processing group exist. Delete dependent Entities for a processing group and try again.