Diagnosis
In Classic RE, a settlement unit can be "directly posted" (or assigned)if the appropriate indicator is set for the apportionment unit assignedto it. However, in RE-FX this information is provided by the servicecharge key.
The program found settlement units in Classic RE that can be "directlyposted". To make it possible for these settlement units to be converted,you must specify which service charge key you want to use for costs thatcan be posted directly. You specify this in the migration stepImport/Specify Conversion Customizing.
See Define Service Charge Key for DirectlyAssigned Costs