@Pabla Weirder still, now it works for me. ONLY DIFFERENCE... I wiped out the Reset Reaction completely and started fresh. All other times I had built the first group and copy button'd it to another.
Let me try that to create the MBthR group now that I have the None Deferred group done.
UPDATE: it's WAI now. 🤷♂
"What changed?" I am doing this work from a different Mac. Same browser on both.
UPDATE to the UPDATE: went back to the original Mac, browser was still open but the MSR tab closed. Opened new tab for MSR in same instance of the browser and... worked fine. 🤷♂ 🤷♂
Will mark this as solved - I hate gremlins.