Hi Aysha Nafila

Thank you for choosing our community as a resource to find an answer.

We are here to assist you, but first, We need to understand the setup that has been done on your payroll system. 

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hi Aysha Nafila 

Kindly check if the earning line you linked the employee to has a custom calculation.

If so, make sure that from employee management tab , select employee.> payslip definition> Emp calculation status is set up correctly as override calculation so that you can be able to select the calculation.