SAP Message AP262 - Plan values exist - assignment not possible due to lack of authorization

Diagnosis
You tried to assign a measure (or an appropriation request) to aprogram position of investment program &V1&/&V2& that has program typeV4.
However, there is an approval level for planning measures (orappropriation requests) for version &V3& of an investment program ofapproval year &V2& and program type &V4&. This means that the total ofthe plan values from the assigned measures and appropriation requestsfor version &V3& on this investment program is not allowed to changeunless you have the correct authorization. However, you do not havethis authorization.

System Response
The assignment is not allowed.

Procedure
Reduce the plan value of the measure (or appropriation request) inversion &V3& to zero.
If this error occurred during processing of an appropriation requestwhen the request was replaced by a measure, then check all measuresassigned to the appropriation request in version &V3&, and reduce theirplan values to zero.