Diagnosis
You used point of entry position &V1& to enter structure maintenance ofan investment program, and you tried to delete the point of entryposition.
However, you are not allowed to delete the point of entry position &V1&itself, for technical reasons.

System Response
The function is not carried out.

Procedure
Reenter structure maintenance, using the program position above programposition &V1& as the point of entry position. Then you can select anddelete program position &V1&.