Error: top.pcie_sv_hip_avmm_0: "RX buffer credit allocation - performance for received requests" (rxbuffer_rxreq_hwtcl) "High" is out of range: "Minimum", "Low", "Balanced"

Description

The above error will be seen when upgrading the Avalon-MM Hard IP for PCI®Express from an older Quartus® II version to v14.0 and later if "RX buffer credit allocation" is set to 'High' or 'Maximum'?

For Avalon-MM Hard IP for PCI Express in Quartus II v14.0 and later versions, the 'High' and 'Maximum' settings of 'Rx Buffer Credit Allocation' are no longer available.

Resolution

Choose 'Balanced,' which is the closest to your previous setting.