ID:186375 Can't place carry chain that starts with node "<name>"

CAUSE: You made location assignments for some of the nodes in the carry chain that starts with the specified node. However, the Fitter cannot place the carry chain due to a problem with the location assignments. Click the + icon to expand this message in the Messages window or Messages section of the Report window to display details about the carry chain and the nodes with location assignments.

ACTION: Change or delete some location assignments for nodes in the carry chain.