im getting an error message auto accept amount

[traceyl2692]

i had an item listed and went in and edited the buy it now price,after that i clicked on revise and got an auto accept amount error,i have used the help pages and it explains that if you accept offers that a certain offer amount can be auto accepted but i do not get that option on my mobile app,or my desktop......can anyone help please

[disneyshopper]

I've been getting that error when I end/sell similar, and then drop the price by 10%.  I then need to go back to the listing and remove the auto accept amount.