WM wave picking vl35

dear all,

   I am trying to create wave picking by Vl35,but there is a erro message"no deliveries available for making wave picks".

i have set as flowing:

1.maintain time of comparison for forming wave picks

2.maintain wave picks profile

3.maintain time slots:

4. maintain timeslots group:

5.update workload :

6.update group :assign header:

The master "customer statistics group "is blank,so the setting is blank.

7. update group :assign item

The master date is blank i cutsomer.

but when the vl35 as flow :

how to solove the question ,who can help me?

Thanks