Diagnosis
You want to turn a task list characteristic into a parametercharacteristic by creating a reference to a primary characteristic. Aninspection method has been entered for the existing characteristic.However, an inspection method cannot be assigned to a parametercharacteristic.

Procedure
First, delete the inspection method for the existing task listcharacteristic and set the reference to the primary characteristic, orchoose another task list characteristic without an inspection method toconvert the characteristic into a parameter characteristic.