Page Comparison

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1. Check the transaction that this is linked to for any issues. E.g. This is a receipt. Check that the Invoice in QBO in QuickBooks Online is open, unpaid (or partially paid) NOT closed.
   
   
2. Make sure the WOL matter (customer in QuickBooks Online) has bill with parent set. 
   
   
3. Check that the Matter is under the correct Primary Client (Customer) in QBOin QuickBooks Online
   1. This error often occurrs if you have edited your client's External Accounting Name after it has posted and not updated it in QuickBooks Online.
      This can cause a duplicate Primary Client in QuickBooks Online and have the matter attached to the wrong name.
      
      
4. Also check the transaction '123' is the correct type and is linked to WOL correctly.
   
   
5. Resolve the error and attempt to repost the receipt