WMS tasks are not generated

After executing Pick Release for a Sales Order, WMS tasks are not generated and not able to assign those sales order in Warehouse Control Board.

 

Note : The org is WMS enabled.       

We have performed all the required WMS setups required for generating picking task,

Defined Employee          

Defined resource and attached employees        

Defined Department and attached Resource          

Defined Standard task types for Pick & attached department , resource         

Defined Task type assignment and attached the standard task type 

Defined Pick rule

Attached Pick rule in Rules workbench        

After Release pick wave, the tasks are not getting generated.

In Shipping transaction form, it shows released to warehouse, Move order number etc.