I was on the phone with Marriott for 1,5 hrs. Puzzling how this happened. I had checked the Marriott account few hrs before I realized the PW was not working. I had AA linked to my account yrs ago and that one had a date when it was linked. Then United and Continental were there too with no date. The rep said that was odd, should have a date. I don't fly United and Continental doesn't even exist anymore. The rep from Marriott could only see that points were transferred to United FF account but couldn't see more than that. She reached out to United by phone but the people that do these transfers/ conversions were not working today being Sat evening so all she could do was to "put work order in". No information was changed on my Marriott account, name, address, email, ph numbers etc all correct except the password was obviously changed. I have never converted points to miles so I don't know how the process works. Added a PIN to my account, in other words need to provide the PIN when calling Marriott. Surely United will see whose account these points were transferred to. Marriott said I should have the points credited back to my account in few days. So maddening when something like this happens.