just realized i am in the same situation.

have an AF ticket for december, bought couple months ago. back then i was gold, now platinum.

went into the AF system, but in the 'modify passengers details' page, it refuses to let me make any changes to my FFP, when i hover the arrow over, it shows a 'cross-out' sign.

AF system shows me as Gold, and in the 'miles you will earn' area, it shows the Gold earning rate, instead of Platinum.

funny thing is, i went to the KLM portal and while KLM's site doesn't seem to list my level, the 'miles you will earn' is that of Platinum. but i can't seem to find where i can delete and reenter my FFP info on KLM.

so it seems that KLM has updated info, while not displaying any at all, but AF displays the wrong one.

any other suggestions on solving this? or do i have to call in. i wanna make sure I'm tagged as platinum, in case of any op-ups etc.