The below error occurs not in the foreground, but in a recording mode of BDC.
In case if you have a change number created before the Rate routing creation date and during the change process of the rate routing the below issue is faced.
There are rate routings for the past or the future.
Message no. CP293
You are attempting to create a rate routing for group. There already is
at least one rate routing that has not been marked for deletion as of
this key date. However, this routing (these routings) are not valid on
the key date.