So there is one buyer who wanted to get intro similar to the one he showed me, i was really confident making it so we started the order. as i expected i delivered everything as he instructed and showed but after that he wanted to change lots of details that he didn’t like, i made everything exactly as he instructed again but in the end he still wasn’t happy with the product and to be honest i don’t even know why, there was nothing else to change and he also couldn’t explain why. now he told me that he doesn’t want to continue and unfortunately he want to cancel the order. what should be my next actions ? is it fair to cancel the order ?