In node-red how to store message for using in flows

From your explanation and photo, it is hard to tell which debug goes where in the flow. You could name your debug nodes and those names will show in the debug log. In addition

  1. suppling the flow - see How to share code or flow json
  2. what platform - i.e.os and release
  3. what version of NR and node.js
  4. what 'contrib' nodes are you using? i.e. node-red-contrib-xxxxxxxx