Adjust track:Unstable configuration detected

Hi,
I am getting this error message after clicking on the New Ref button.
After I click ok on the message dialog, the new Ref gets resetted to a different position. And even the previously adjusted Ref points are now resetted to a different location. What is going on?
Regards,
Heiko

Hi,
I am getting this error message after clicking on the New Ref button.
After I click ok on the message dialog, the new Ref gets resetted to a different position. And even the previously adjusted Ref points are now resetted to a different location. What is going on?
Regards,
Heiko