API Deployment fails and the below error is logged in the Proxies page.
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<l7:Error xmlns:l7="http://ns.l7tech.com/2010/04/gateway-management">
<l7:Type>BadRequest</l7:Type>
<l7:TimeStamp>2023-10-31T18:00:23.119+03:00</l7:TimeStamp>
<l7:Link rel="self" uri="https://localhost:8443/restman/1.0/bundle"/>
<l7:Detail>HTTP 400 Bad Request. Caused by: Content is not allowed in prolog.</l7:Detail>
</l7:Error>
Component: API Developer Portal
Release : 5.x
Restart ssg service on Proxy (tenant gateway).