Unable to generate "Refunds to process manually report"

Overview: Could be related to issues with other USERS reports from ACTION menu.

Steps to Reproduce:

1. Log into Morning Glory as an admin user
2. Open USERS app
3. Select "Refunds to process manually report" from the ACTIONS menu
4. Enter no criteria (none is required)
5. Press SAVE & CLOSE button
6. "Export in progress" message appears in green success toast

Expected Results:
Report is produced and available to download

Actual Results:

Additional Information:
I did a bunch of refunds today (July 25) for Fee/Fine Owner "Main Circ Desk". If I enter the Start and End Dates and Fee/Fine Owner, I still get this error.
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