How to Cancel Min-Max Replishment Tasks or Unallocate Move Orders

Hi,

Min-Max Planning in WMS Enabled Organization.

Item:A100

Planning Level : Sub-inventory

MinMax Planning Report Run and Move Orders are created  for replishment.

Move Orders are allocated. And Allocations are updated.So that tasks created.

Now able to view the Tasks(Pending Stage) in Warehouse Control Board.

 

Problem:

How to Cancel the Move Orders or Its Tasks or Unallocate the Move Orders.

1)     I am not able to cancel the tasks in warehouse control board

2)     Not able to cancel/close Move order lines

3)     Not able to update the allocation to zero

Please suggest me how to cancel the Tasks