Error: Cannot find module '@babel/runtime/helpers/defineProperty' from '/opt/gitter/gitter-webapp-stagin...

https://sentry.gitlab.net/gitlab/gitter-backend-staging/issues/1061173/

Error: Cannot find module '@babel/runtime/helpers/defineProperty' from '/opt/gitter/gitter-webapp-staging/output/assets/js'
  File "/opt/gitter/gitter-webapp-staging/server/handlers/renderers/vue-ssr-renderer.js", line 107, in renderToString
    return renderer.renderToString(...args);
...
(9 additional frame(s) were not displayed)

Error: Cannot find module '@babel/runtime/helpers/defineProperty' from '/opt/gitter/gitter-webapp-staging/output/assets/js'