YES ... you really need to wait if a form you need is not functional ... it could be ready sooner so check the REVIEW tab from time to time and/or sign up for an email alert.
But are you very sure you qualify to use that form since almost no one does any longer ... read the part 1 questions here :
https://www.irs.gov/pub/irs-pdf/f4972.pdf
It would be most unlikely that you are 85 years old or older and just now taking the pension distribution.
