WARNING:basts:75 - TPTHRU "IBUS_PATH" is on NET "IBUS2", which is not connected to any drivers. WARNING:basts:16 - TPTHRU TIMEGRP "IBUS_PATH" has been applied only toINST, PIN, or NET elements that are not connected to the rest of the design. This occurs if a TPSYNC is placed on a macro that is empty, a block that has no input pins that are driven by a net, an undriven macro pin, an output pin that does not drive anything, or a net that is not driven. Please correct this situation.