I appreciate your time and effort in following the instructions provided by my colleague, @louclm.  I'm here to assist you further with removing the Attention Needed message. 

It's possible that you might have missed out on a specific step, resulting in the prompt message still displaying on your end. With that, we have to accurately follow the instructions to fix rejected bank transfers in QuickBooks Online (QBO). 

After performing the steps above, we can now remove the payment from the original invoice. 

Here's how: 

1. Go to Sales, then select Invoices. 
2. Choose the invoice that has the rejected bank transfer payment, then select Edit invoice, or select Edit next to the rejected bank transfer payment.  
3. Select Payment.
4. Uncheck the box beside the rejected bank transfer payment.
5. Click Save and close, then Save as a credit. 
6. Hit Yes.

Then, we can move the payment to the new invoice. Perform the steps below: 

1. From the Sales page, select Invoices.
2. Go to the invoice you created in Step 3, then click Receive payment.
3. Check the box beside the rejected bank transfer payment to link it.
4. Click Save and New.
5. Choose the invoice again, then hit Delete from the More Actions dropdown menu.

Afterward, we can create an expense, and attach the payment to the new expense. 

However, if you've performed the mentioned steps but still encountered the same problem, I recommend contacting our support team. They have the tools to accurately identify and address the root cause of this issue while ensuring that your information remains secure.  

Here's how: 

1. Go to the Help icon. 
2. Choose the Search tab, and select Contact US.  
3. Enter a brief description of the issue you encountered. 
4. Click Continue. 
5. Choose a way to connect with us:

• Start a chat with a support expert.
• Get a callback from the next available expert.

To ensure you can reach our support team on time, check out their support hours to determine availability. 

Additionally, I'll add this article about how to process an ACH bank transfer for a sales receipt or invoice in QBO: Process an ACH bank transfer from a customer in QuickBooks Online. 

Feel free to post or hit the reply button if you have follow-up concerns about managing your bank transfers in QBO. Stay safe always!