Planning messages not generated properly for OR orders after MRP run

Hi,

OR orders not suggested for correct date after MRP run. This is resulting in negative qty available in Supply/Demand.

The Shop Floor calendar is setup till Dec 2020.

Processing
Options Template: T3483

#
of items: 52

---[
Horizon ]------

1. 1.
   Generation Start Date  -- 

  0
(default)  --  1

Number of  planning days  --  14

 
Number of  planning weeks  --  6

Number of planning months  --  10

---[
Parameters ]------

1. 1.
   Generation Mode  --  2
2. 2.
   Generation Type  --  3
3. 3.
   UDC Type  --  QT
4. 4.
   Version of Supply/Demand  Inclusion Rules  --  PLN

---[
On-Hand ]------

1. 1.
   Include Lot Expiration Dates  --  1
2. 2.
   Safety Stock Decrease  --  1

Quantity
in Transit  --  

Quantity
in Inspection  --