SAP Message BWFIAA000 - Extraction not possible: First execute initialize from &

Diagnosis
You attempted to execute data extraction for InfoSource &v2&. However,this data is asset master data, which is not in the BW system yet.

System Response
The extraction was terminated.

Procedure
First of all, carry out an initialization of the delta method forInfoSource &v1& "Asset Sub-Number (flexible update)" for "Master DataFinancials: Asset Accounting". You can set the initialization of thedelta method in InfoPackage maintenance, in the "Update" tab index, the"Update Mode" area.