We are currently evaluating this issue and will update this article when we have more information. In the meantime, follow these steps: 

For batches created with the Excel add-in and manually mark the option to Automatically create balancing interfund entries prior to posting:

1. In General Ledger>Journal entry
2. Click the Batch ID and from the Actions menu select Edit
3. Mark the Automatically create balancing interfund entries
4. Click Save or Save and close.
5. From the action bar of the open batch, select Validate.
6. From the action bar of the open batch, select Post.