GB Invoice Search by Customer ID shows Customer Name as Unknown

When searching for a GB Invoice by Customer Id, the resultant GB Invoice show Customer Name as 'Unknown'

• Tyler Cashiering
• 2020.X and higher

The Cashiering user has the same email address configured on more than one Cashiering user.

Navigate to Administration >Users 

1. Find Login for the User
2. Click Edit (Pencil Icon) next to the login.
3. On the General Tab, Review the email address. Adjust if necessary.
4. Click Save
5. Repeat steps 1-4 until duplicate email found.
6. Delete email address from incorrect user.
7. Click Save.

Search for GB Invoice to view Customer Name