Query 4195Q arises when more than two staff in the school have a birth date of 1st January. Click on the Query and it will take you to the staff member's profile. Click on the cog next to their name to open up the Personal Details page. Check their date of birth is correct, amend if necessary, then press Submit at the base of the page to save.
Go to the Census area and recalculate the Workforce Census. If it is correct that more than two staff members have this birth date, you can write a note when uploading your Census.