SAP Message AA113 - Texts are missing in chart of depreciation & (Please maintain them)

Diagnose The logon language texts are missing in the chart of depreciation &V1&. Systemaktivitaeten Warning - this chart of depreciation has not been fully implemented. Benutzeraktivitaeten Get your Systems Specialist to ensure that the chart of depreciation iscorrectly defined in your maintenance language &V2&. Use the AssetAccounting Customizing functions to do this.