Cannot read property 'toString' of undefined

This is a followup to #2121, which tracked a regression in which this error became uncaught and broke user-facing behavior. The proximate cause of that regression was #1954, although through no fault of that PR; my guess is that we are missing graceful uncaught error handling logic in our redux-logic integration. So, a fix for this issue should:

• Fix the specific TypeError here
• Add graceful handling for uncaught errors in logics
• Revert #2122

Error in Popcode

TypeError in /
Cannot read property 'toString' of undefined

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Stacktrace

validations/Validator.js:26 - t.value
validations/javascript/esprima.js:102 - t.value
validations/Validator.js:33 - t.value
validations/Validator.js:21 - t.<anonymous>

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Created by Matthew Brown via Bugsnag