2001 Ducati 748 R "install ecu chip" Questions

I have installed a new ignition on y aprillia pegaso 2008 and it wont accept the code numbers It's not the new switch, it's the new keys that have to be programmed. The keys have uniquely coded chips ...

...circuit in wiring harness Defective cylinder identification sensor Malfunction in ECU Improperly installed sensor A variety of issues seem to affect this code. I would start off with the simple

...install chip? I just replaced the stock exhaust on my 748. The replacement was an Arrow exhaust that also included the midpipe. I think it is a 50mm exhaust. Do I need to also change the chip on the ...