Go to the Partena- application called "Okay".
Click on the clock-icon.

Click on "upload prestations"

Next you select the file from Strobbo to upload. The payroll-data will be imported in Okay.

You can still manually make changes in the system.
When you receive the yellow triangle  ==> this is an error. 

For details about the error, you can select the line at the front and then choose the details.

The reason for the error can then be found by checking the employee and then clicking on "detailed status".