ID:13053 Tri-state bus "<name>" fed by inverted tri-state bus "<name>" but can be fed only by tri-state primitives

CAUSE: You assigned an inverted tri-state bus to a tri-state bus, but tri-state buses can only be fed by tri-state primitives.

ACTION: Replace the inverted tri-state bus with a tri-state primitive (such as TRI or OPNDRN ).