This article explains how to solve the issue when the message "You have not defined leave days balance date for period  YYYYMM" appears during calculation of Payroll

Question

I get the following message when trying to calculate payroll for a person: 

"You have not defined leave days balance date for periode 20212"

Answer

You need to create the Period with a Leave balance date on the company. 

How to

1. Go to Set up | Organization

2. Select the company the person you receive the message for is connected to in Personal Details | Employment

3. Go to Payroll | Period tab

4. Add the period by selecting new or use the Wizard to set up for one or more year in one go

5. Add the dates as shown below, but make sure you use your own company's dates for payroll