Redwood - Unable to select staffing agent

Summary:

I am struggling to select an agent from the Staffing Agents section when posting the requisition.

Content (please ensure you mask any confidential information):

The list displays the values and the search works as seen below:

But when I click on the option displayed on the screen above, nothing happens as per the screenshot below:

When I click on Save, the following error displays:

Has anyone seen this behaviour?

Thanks in advance!

Version (include the version you are using, if applicable):

25B

Code Snippet (add any code snippets that support your topic, if applicable):