SAP Message 29543 - & In validity period entered, & & is not used

Diagnosis
You want to produce a where-used list for class &V2& &V3&.
The class is not used in the validity period entered.

Procedure
You can display an overview of where the class is used in its maximumvalidity period by deleting your entries in the fields Validfrom and Valid to. To do this, enter the special character"!" at the beginning of the field.