Compilation error when deploying my Ember/Rails app

I have a rails 5 ember 2.17 app that was previously being successfully deployed in production. The deployment is done with ember-cli-rails.

During asset compilation I have the following error :

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ENV Summary:

  TIME: Mon Jul 08 2019 15:40:33 GMT+0200 (CEST)
  TITLE: ember
  ARGV:
  - /usr/bin/node
  - /srv/production/www/placedemarche/releases/20190708133545/marketadmin/node_modules/ember-cli/bin/ember
  - build
  - --environment
  - production
  - --output-path
  - /srv/production/www/placedemarche/releases/20190708133545/tmp/ember-cli/apps/marketadmin
  EXEC_PATH: /usr/bin/node
  TMPDIR: /tmp
  SHELL: /bin/bash
  PATH:
  - /srv/production/www/placedemarche/shared/bundle/ruby/2.4.0/bin
  - /home/admin/.rvm/gems/ruby-2.4.1/bin
  - /home/admin/.rvm/gems/ruby-2.4.1@global/bin
  - /home/admin/.rvm/rubies/ruby-2.4.1/bin
  - /home/admin/.rvm/bin
  - /usr/local/sbin
  - /usr/local/bin
  - /usr/sbin
  - /usr/bin
  - /sbin
  - /bin
  - /usr/games
  - /usr/local/games
  PLATFORM: linux x64
  FREEMEM: 1093439488
  TOTALMEM: 3149369344
  UPTIME: 16758723
  LOADAVG: 0.8134765625,0.71240234375,0.56201171875
  CPUS:
  - Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz - 2200
  - Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz - 2200
  - Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz - 2200
  - Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz - 2200
  - Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz - 2200
  - Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz - 2200
  ENDIANNESS: LE
  VERSIONS:
  - ares: 1.10.1-DEV
  - http_parser: 2.8.0
  - icu: 58.2
  - modules: 48
  - napi: 3
  - node: 6.14.3
  - openssl: 1.0.2o
  - uv: 1.16.1
  - v8: 5.1.281.111
  - zlib: 1.2.11

ERROR Summary:

  - broccoliBuilderErrorStack: [undefined]
  - code: [undefined]
  - codeFrame: [undefined]
  - errorMessage: Unexpected identifier
  - errorType: [undefined]
  - location:
    - column: [undefined]
    - file: [undefined]
    - line: [undefined]
  - message: Unexpected identifier
  - name: SyntaxError
  - nodeAnnotation: [undefined]
  - nodeName: [undefined]
  - originalErrorMessage: [undefined]
  - stack: /srv/production/www/placedemarche/releases/20190708133545/marketadmin/node_modules/@embroider/core/src/to-broccoli-plugin.js:18
        async build() {
              ^^^^^

SyntaxError: Unexpected identifier
    at createScript (vm.js:56:10)
    at Object.runInThisContext (vm.js:97:10)
    at Module._compile (module.js:549:28)
    at Object.Module._extensions..js (module.js:586:10)
    at Module.load (module.js:494:32)
    at tryModuleLoad (module.js:453:12)
    at Function.Module._load (module.js:445:3)
    at Module.require (module.js:504:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/srv/production/www/placedemarche/releases/20190708133545/marketadmin/node_modules/@embroider/core/src/index.js:9:28)

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I am not sure what's the next step to solve this problem.