The software now offer direct to state filing for a select a few states
If your getting an error message "Please enter a valid Payer's State Number", you are not entering in the correct format for your State.
Direct to State Combined Federal State Filing Program (CFSFP): https://support.custsupp.com/hc/en-us/articles/360056610514-Direct-to-State-Filing-Combined-Federal-State-Filing-Program
See PDF for your State ID validation/format and/or State revenue dept. listing