ID:186379 Can't place node "<name>" in location <name>

CAUSE: You assigned the specified node to the specified location. However, the Fitter cannot place the node to the location, because the node is part of a carry chain and one or more nodes in the carry chain have location assignments. Click the + icon to expand this message in the Messages window or Messages section of the Report window to display details.

ACTION: Change or delete assignments on some of the nodes in the carry chain.