I'm having a couple of different problems.
Most of the time when I try to place a point on an alignment, I type the station and it places the point on the first station of the duplicates. For example, if I pick an alignment with two (or more) 51+00, it will use the first 51+00 of the alignment, without regard to where I picked on the alignment.
However, I also have the error as attached. Clearly 51+00 is part of the alignment, but it neither places the point on the first 51+00 or the one in the picture.
Is creating multiple alignments the only way to go?