ID:15291 cout1 port of LCELL atom "<name>" feeds more than one input port, but LCELL atom must feed only one input port

CAUSE: The specified LCELL atom has a cout1 port that is connected to more than one input port. However, the LCELL atom must feed only one input port. The extra port connections must be removed, or the cout0 port of the LCELL atom must be disconnected.

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