This is a live client

Hi HR Gurus,

Please help us to fix this problem, I setup a separate SAP server copy of Production to be use in Payroll testing, everything works fine in Simulation but when I chose start payroll this error prompt me,

" This is a live client

No check performed against control record.

Payroll canceled "

Does anyone here know this problem? Sorry Im new to SAP HR please guide me. Thanks