F-Tile PCIe Root Port 1x Gen3x4 - Configuration Read Type 0 receives no answer

Hello Support,

I am using the Agilex 7F Dev Kit with F-Tile configured in Root Port Gen3x4. When I am doing a Configuration Write Type 0 to write the End Point BAR0 with FFFF_FFFFh, the end point send an answer , when I follow this write with a Configuration Read type 0 to read the BAR 0 of the End point I do not receive any answer. 

1. Is there any configuration which avoid the read data to go through the F-Tile ?
2. Is there any problem with my Configuration Read type 0 command 

I have attached the STP file as well.

Thank you for help.
Serge