Can you please check what is the value of the attribute Planned items and Demand Time Fence flag,
Ensure the forecast set name is associated with the organizations.
If all these are fine, then just disable the Demand Time fence flag and try
Planned items: all planned items and dtf flag is already uncheck.
and also i have checked again, forecast set is properly associated with org.
Could you check the dates of the forecast and planning horizon.
Hope item does not have Mrp_planning_code as 6.