when i am trying to update raspberryp3 i am getting this error
2020-04-13 13:20:48 +0000 UTC debug: handle update fetch state
2020-04-13 13:20:49 +0000 UTC debug: status reported, response 204 No Content
2020-04-13 13:20:50 +0000 UTC debug: Received fetch update response &{200 OK 200 HTTP/1.1 1 1 map[Accept-Ranges:[bytes] Etag:[“478e517c4a8bbec7647c81cda7a6b086”] Strict-Transport-Security:[max-age=0; includeSubdomains; preload] X-Amz-Request-Id:[160563AFAF68B66E] X-Content-Type-Options:[nosniff] Content-Type:[application/vnd.mender-artifact] Connection:[keep-alive] Content-Security-Policy:[block-all-mixed-content] Server:[openresty/1.13.6.2] Content-Length:[5120] X-Xss-Protection:[1; mode=block] X-Frame-Options:[DENY] Date:[Mon, 13 Apr 2020 13:20:49 GMT] Last-Modified:[Mon, 13 Apr 2020 13:20:23 GMT] Vary:[Origin]] 0x1279b330 5120 [] false false map[] 0x126e6980 0x12581980}+
2020-04-13 13:20:50 +0000 UTC info: State transition: update-fetch [Download] -> update-store [Download]
2020-04-13 13:20:50 +0000 UTC debug: handle update install state
2020-04-13 13:20:50 +0000 UTC debug: status reported, response 204 No Content
2020-04-13 13:20:50 +0000 UTC debug: Read data from device manifest file: device_type=raspberrypi3
2020-04-13 13:20:50 +0000 UTC debug: Found needed line: device_type=raspberrypi3
2020-04-13 13:20:50 +0000 UTC debug: Current manifest data: raspberrypi3
2020-04-13 13:20:50 +0000 UTC info: no public key was provided for authenticating the artifact
2020-04-13 13:20:50 +0000 UTC error: update install failed: installer: failed to read and install update: reader: unsupported version: 3
2020-04-13 13:20:50 +0000 UTC info: State transition: update-store [Download] -> fetch-install-retry-wait [Download]
2020-04-13 13:20:50 +0000 UTC debug: handle fetch install retry state
2020-04-13 13:20:50 +0000 UTC info: State transition: fetch-install-retry-wait [Download] -> update-status-report [none]
2020-04-13 13:20:50 +0000 UTC debug: handle update status report state
2020-04-13 13:20:51 +0000 UTC debug: status reported, response 204 No Content
2020-04-13 13:20:51 +0000 UTC debug: attempting to upload deployment logs for failed update
i am using sding in raspberrypi3 please provide any solution for this