You need to link your Traffio specialisations with the corresponding specialisations in MYOB. This ensures that MYOB can properly interpret and process the timesheets being sent to it from Traffio.
Navigate to Payroll on the sidebar
Select the desired Payroll Cost Centre
Select the MYOB Cost Centre
Click Activity - Specialisations (Note that this will only appear once you have created a cost centre)
Match Rates
Click Save
Sync