Unable to search item numbers list in RSSP

Summary:

Content (please ensure you mask any confidential information):

When entering a new requisition (Item based), there is a drop down option for items but nothing is displayed. If we enter a starting number it does come up but how to display the item numbers search list without entering any keyword.

Version (include the version you are using, if applicable): 25A

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