VALDO MAP unique map rewards (can) get converted to invitations/elderslayer maps etc.!!!

Hi,
I just ran 10+ Valdo maps today and everything was as expected, but a few minutes ago the reward chest of a cortex reward Silo map did not drop the Cortex as promised, but a Hidden invitation! I thought it might not be the case really and the spot had too many items on the ground already.
But after that I finished Acton's nightmare reward (I think that's what it was) haunted mansion map and certainly 100% got a redeemer jungle valley map t14 from the reward chest!

While on Amsterdam server, if that is maybe a server side problem!?

Lol, I just noticed that both reward drops were maps and those got converted by the chance to convert maps to X (t invitations / elderslayer maps),

BUT I would like it to be so that I 100% get the unique map reward and not a conversion on that!!!