STRs are not generated for some locations

Hi,

I have worked on below scenarios.

Location - Product data has been cheked. Also, T-lanes are active also.

Still STRs not getting generated as below.

Scenario 1 -

I have 1 Prod. Plant (Leeds), 1 DC( Liverpool) and two customers( Lon & Man).

Lon is connected to Leeds directly and Man to DC liverpool.

Forecast of Man is coming in Distribution demand ( Planned) of Liverpool.

Forecast of Lon is coming in Distribution demand ( Planned) of Leeds.

But Liverpool's Distribution demand is not going to Leeds.

Scenario 2 -

I Have four customers NY, LA, IND and NJ connected to UT(DC).

And UT is conncted to DAL(Prod. Plant).

Forecast of IND and LA is coming to Distribution demand (Planned) of UT, but Forecast of NY and NJ is not coming to Distribution demand(Planned) of  UT. And DD of Ut is not going to DAL.

Please help.