"This should not be an issue. I've done negative stations many many times. The error message you see may not e related to your profile but may be an issue with your alignment. Try exporting to xml, deleting the alignment and reimport it. Make…"
"Yes, it is possible, just not desirable. The more points you have the worse it gets. If you are planning to change the coordinates DO NOT send them to anyone. That is just asking for problems and possibly law suits. Consider renting a precision…"