Fresh install issues Ubuntu 18.04 about reprocessing-example HOT 6 OPEN

$ npm install bs-platform
$ npm run build

> reprocessing-example@ build /home/cd/Scripts/Tutorials/ReasonReprocessing/reprocessing-example
> bsb -make-world

ninja: no work to do.
ninja: no work to do.
ninja: no work to do.
ninja: no work to do.
[3/15] Building src/bytecode/Reprocessing_Hotreload_Bytecode.cmj

  We've found a bug for you!
  /home/cd/Scripts/Tutorials/ReasonReprocessing/reprocessing-example/node_modules/reprocessing/src/bytecode/Reprocessing_Hotreload_Bytecode.re 2:15-36
  
  1 │ let load_plug = fname => {
  2 │   let fname = Dynlink.adapt_filename(fname);
  3 │   if (Sys.file_exists(fname)) {
  4 │     try (Dynlink.loadfile(fname)) {
  
  The module or file Dynlink can't be found.
  - If it's a third-party dependency:
    - Did you list it in bsconfig.json?
    - Did you run `bsb` instead of `bsb -make-world`
      (latter builds third-parties)?
  - Did you include the file's directory in bsconfig.json?
  
[4/15] Building src/Reprocessing_Constants.cmj
Failure: /home/cd/Scripts/Tutorials/ReasonReprocessing/reprocessing-example/node_modules/bs-platform/lib/ninja.exe 
 Location: /home/cd/Scripts/Tutorials/ReasonReprocessing/reprocessing-example/node_modules/reprocessing/lib/bs
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! reprocessing-example@ build: `bsb -make-world`
npm ERR! Exit status 2
npm ERR! 
npm ERR! Failed at the reprocessing-example@ build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/cd/.npm/_logs/2019-09-10T20_10_11_419Z-debug.log