Nginx server sending wrong intermediate chain

Help
17

  1. I run my own PHP client Live cert does not match with key - #3 by bilogic

  2. I save the fullchain cert as-is issued by LE's servers

  3. I use nginx proxy manager (NPM) to point to the fullchain cert and key

  4. But on connecting to NPM loaded with LE's YR certs, I get verify error:num=20:unable to get local issuer certificate