Smart Keyboard suddenly is not longer supported

it has been already few months of issues with this keyboard for IPad Air Air 3rd generation, it was working just fine, on day it started giving out the messages “ accessory not supported” now the message is persistent and ven if I am not using the keyboard, but actually using the folio to prop up the ipad , it keep on shooting the message constantly , very annoying, now there are many of us with this issue, I understand that you might need an larger group , so don’t investigate simply replace our keyboard and we will be all much happier and productive at the same time you save so much aggravation, and I mean you apple support, after all we did paid about $100 dollar for this utility gadget, and it supposed outlive the IPad, instead about 2 or3 months after warranty expires this keyboard stop responding, sometime I think you guys programmed these devices to function like that. Please let us know how you are going to help.

thank you