Point Placement on Profile

I would to keep this problem from happening whenever I try to use the Point
Placement of Profile tool of the Profiles menu:
"Enter station or pick a point (Enter to End): _endp of Unknown command "STA
16+13.2400". Press F1 for help.
Unknown command "ELEV 70.0538". Press F1 for help".
The point on the profile is labeled as:
x 90.00000000000
90.00000000000
I am hoping to be able to label the station and elevation of the point "x"
on the profile.
Any suggestions?
Thanks.
Placement of Profile tool of the Profiles menu:
"Enter station or pick a point (Enter to End): _endp of Unknown command "STA
16+13.2400". Press F1 for help.
Unknown command "ELEV 70.0538". Press F1 for help".
The point on the profile is labeled as:
x 90.00000000000
90.00000000000
I am hoping to be able to label the station and elevation of the point "x"
on the profile.
Any suggestions?
Thanks.