[Sentry] TypeError: Cannot read property 'map' of undefined

[sentry-io]

Sentry Issue: METAMASK-MOBILE-36V1

TypeError: Cannot read property 'map' of undefined
  at ?anon_0_ (node_modules/@consensys/on-ramp-sdk/dist/regions/RegionsService.js:542:26)
  at next (native)
  at asyncGeneratorStep (node_modules/@babel/runtime/helpers/asyncToGenerator.js:3:17)
  at _next (node_modules/@babel/runtime/helpers/asyncToGenerator.js:17:27)
  at tryCallOne (node_modules/promise/setimmediate/core.js:37:14)
...
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