Starting contract helper with defaults results in error loop.

[janedegtiareva]

Error message is unhelpful:
SyntaxError: Unexpected token u in JSON at position 0
at JSON.parse ()
at Object. (/Users/evgueniadegtiareva/near/near-contract-helper/app.js:28:29)
at Module._compile (internal/modules/cjs/loader.js:776:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
at Module.load (internal/modules/cjs/loader.js:653:32)
at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
at Function.Module._load (internal/modules/cjs/loader.js:585:3)
at Function.Module.runMain (internal/modules/cjs/loader.js:829:12)
at startup (internal/bootstrap/node.js:283:19)
at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)
Program node app exited with code 1

[janedegtiareva]

I believe this happens when there is no key file