When I scan QR it shows error :- couldn't download the admin app
{
"android.app.extra.PROVISIONING_DEVICE_ADMIN_COMPONENT_NAME":"com.hmdm.launcher/com.hmdm.launcher.AdminReceiver",
"android.app.extra.PROVISIONING_DEVICE_ADMIN_PACKAGE_DOWNLOAD_LOCATION":"http://172.105.61.7/files/hmdm-5.15-os.apk",
"android.app.extra.PROVISIONING_DEVICE_ADMIN_PACKAGE_CHECKSUM":"qylCw49sUv71MluvIm7XA35T1T_Usn9qUys524uiAak=",
"android.app.extra.PROVISIONING_LEAVE_ALL_SYSTEM_APPS_ENABLED":true,
"android.app.extra.PROVISIONING_SKIP_ENCRYPTION":true,
"android.app.extra.PROVISIONING_ADMIN_EXTRAS_BUNDLE": {"com.hmdm.DEVICE_ID_USE":"imei",
"com.hmdm.BASE_URL":"http://172.105.61.7:8080",
"com.hmdm.SERVER_PROJECT":""}
}