SAP Message R7469 - Characteristic &1: &2 &3 contains data and must be converted

Diagnosis
V2 v3 must be converted in an activation of characteristic v1.

System Response
The table &V3& contains data. Parts of this data will be lost duringconversion.

Procedure
You can undo the changes that led to the conversion or activatecharacteristic &V1&.
After the activation you will be guided by the system and can converttable &V3&.
After the conversion of table &V3& you will have to re-activate theInfoObject.