ID:20645 Cannot place <name> in bank <name> because bank used for placement can place only a maximum of four LVDS SERDES channels in soft-CDR mode.

CAUSE: Forced placement of LVDS SERDES IP with more than four soft-CDR SERDES channels in a bank that supports only a maximum of four channels.

ACTION: Ensure that location assignments and other IPs in the design do not force placement of LVDS SERDES IP with more than four soft-CDR SERDES channels in a bank that supports only a maximum of four channels.