Please do as follows and rectify this issue:
Log in to the Leave module.
Mouse over your computer's date and time at the bottom right and right-click.
Click Adjust Date and Time.
Turn off the Set the time automatically.
Click Set the date and time manually and click Change.
Adjust the year to 2022 or 2023.
Go to your Leave module, Process Leave, and Initialise the leave entitlement for the respective year.
Once done, go to steps 2 to 4 and enable the Set the time automatically.