Extracting Logistic data in BW

Hi BW guys,

I have 1 important question related to pulling data from Logistics. I mean I have reports which use following datasources - MM.

2LIS_03_BF

2LIS_03_BX

2LIS_03_UM

There is 1 issue which has come up is that my data of 1 particular day is missing so in that case I have to bring in the whole data of MM moduke again. Please suggest the docs related to this .My bw version : 3.5 and how much time is required to bring in the whole data. We hav gone live on Jun 06.

What are the complexities involved as i am doing it for the first time.Is any expert reauired for this job o