Why does the system keep saying I have errors when I don't?

[denniemecham50]

The system keeps saying the state ID needs to end with WTH and that is what I have but it rejects my filing, why?

[SweetieJean]

https://ttlc.intuit.com/questions/1899859-utah-employer-or-payer-identification-numbers-expanded

Be sure to capitalize the letters WTH