# What / Why > The parse method does not return a meaningful error ``` Error.captureStackTrace is not a function JSONParseError index.js:58 parseJson index.js:105 ``` ## When - Whenever I try to parse bad JSON. ## Where - React-CRA app. ## How ### Current Behavior - Parsing throws `TypeError: xxx is not a function` ### Steps to Reproduce ```ts const info = JSON.parse('Bad Json. {"a":0}'); ``` ### Expected Behavior - An error about the parsing problem.