This issue was identified as a defect and resolved in the March 2018 release of the RELO plugin and web services. Please update to the latest plugin and web service version to resolve this issue.
Users can apply the default values in the fields:
- Open the batch
- Click Tools > User Options > Batch tab > Default batch information
- Select the second radio option
- Click Apply, OK
- Navigate to the fields needing to be populated by either clicking or tabbing through to auto-insert the defaults