ID:15281 LCELL atom "<name>" cannot use regcascin port that is improperly connected

CAUSE: The specified LCELL atom uses the regcascin port but the regcascin port is not properly connected. The regcascin port must be driven by the regout port of another LCELL atom. An LCELL atom that uses its regout port must be added so that the appropriate signal is sent to the LCELL atom.

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