Cases have been seen where lca2ncd produces errors due to problems handling certain back-to-back routethru configurations found in the LCA file. A patch is now available for this issue.
ERROR:xildr - netcheck: signal net_11 contains invalid routing at x=##, y=## the output to output routethru follows another routethru.
ソリューション
This problem is fixed in the latest M1.4 Core Tools Update available on the Xilinx Download Area: