Diagnosis
The installation of migration items (= individual entry of the worklistas part of the BOR migration) occurs with help from the number rangeobject &V1&. The number drawn there serves as a key for further accessto the migration item.
At the moment, however, this number range object is not configuredcorrectly.

System Response
The requested numbers could not be assigned.

Procedure
Check the number range object &V1&:
Internal number assignment must be set
The number range object 01 must be set
Sufficient free numbers must be available (at least 50 000).
You can then execute the required function again.