When processing payroll and attempting to create the file in the Create and Send ACH screen an event log is created. It contains a System Message 4062: Cannot write ACH file at this time, same Immediate Destination is being processed.
Confirm that none of the employees included in the payroll run have a status of “On Hold” in the Employee Maintenance screen. It is possible that after the calculation process was ran an employee was set to ‘On Hold’ which will produce this message then when trying to create the ACH file.