Diagnosis
No initialization requests have been uploaded to the DataStore objectV3 for datasource v1 from source system v2.

Procedure
Upload all initialization requests for this DataSource/source systemcombination from the PSA to the DataStore object.

Note
Pay attention to the sequence of the upload: It must agree with thesequence of the request. Deltas requested in the meantime must also beuploaded in the correct sequence.