SyntaxError: "undefined" is not valid JSON

Sentry Issue: CUSTOMERSDOT-R0

SyntaxError: "undefined" is not valid JSON
  at JSON.parse (<anonymous>)
  at tryJsonParse (./app/frontend/javascripts/lib/try_json_parse.js:13:17)
  at initAccountDetails (./app/frontend/javascripts/account/init_account_details.js:25:27)
  at HTMLDocument.<anonymous> (./app/frontend/packs/pages/registrations/edit.js:12:3)
  at HTMLDocument.i (/packs/js/vendor-40b2d170ab058d554ffe.chunk.js:2:582923)