SAP Message WRMA1019 - Periods &3, &4 not created for valuation level &1, fiscal year &2

Diagnosis Periods &v3&,&v4& for valuation level &v1&, and fiscal year variantV2 have not been created. Procedure No data from BW has yet been transferred for this period and no periodhas therefore been created. Berfore running revaluation, transfer datafrom BW to ensure that the period is created in the system.