master scheduling : No proposal for may & June

I am running company level master sheduling today My net requirements are only showin g proporsal for demands till April This may be my due to the coverage time fence in the master plan which I am using is set to 100. But when I change this to 365 still I am not getting any proposals for demand in may & june. what can be the reason

explosion TF should also be 365 :slight_smile: