Issue
Not able to have a reference field show suggested choices when a specific term is typed in such as "micro".
Clicking the magnifying glass will show records with "micro" in the name.
Cause
This was happening due to invalid characters in the Name of one of the records starting with "micro".
There was the mysterious diamond question mark character in the name.
The replacement character:
https://en.wikipedia.org/wiki/Specials_(Unicode_block)
Resolution
NEXT STEPS:
1. Remove the Replacement character from any Names for the term you are searching
