SAP Message AY064 - Field group &3 is missing in field selection string &1 &2.

Diagnosis
The field group &V3& is missing in screen layout rule &V1& &V2&.

Procedure
Maintain screen layout rule &V2& again in Asset Customizing.
The screen layout rule belongs to the following field
group table: &V1&.
The field group table means the following:
Field group table 'A' --> Master data
Field group table 'B' --> Depreciation areas