Hi Jeff,
Greetings from Syncfusion support.
We need more information about your facing issue to proceed further. Please share the below details
1. Whether you have set any min and max date to the daterangepicker component or not?
2. Whether you have reset to the old value (previous selected value) or any other value like null.
3. If possible, please share the issue reproducing code block or detailed replication procedure.
These details are help us to provide exact solution at earliest.
Regards,
Sureshkumar P