SAP Message W8718 - Creation/deletion of records in table & checked

Diagnosis
You have specified the field KEY for table &V1&. This results inthe following "special treatment":

System Response
In event creation, the system checks for added or deleted fields intable &V1&. When table records are added or deleted in the changedocument, the keys of the table records created or deleted are logged,not the individual fields.
Example:
If a plant segment is created for a material, a record is created fortable MARC in the change document.

Procedure
If you specify KEY as field name in the field restrictions for atable name, you can define a concatenated key of this table as "newvalue". Positions in the key can be masked with the character '*'.
The field restriction is fulfilled if a table record of this key islogged.
Example:
If the event MATERIAL PLANT_CREATED is to be created when amaterial segment is added for plant 0099, the following entries arerequired.
Change document object,,MATERIAL
Business object type,,MATERIAL
Event,,PLANT_CREATED
Trigger event upon Change Create Delete,,X
With:
Table,,MARC
Field name,,KEY
Old value ,,*
New value,,*********************0099
In the object reference with which the event is created, and which isdescribed as "new value", the fields MARC-MANDT (3 characters) andMARC-MATNR (18 characters) are masked.