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Uncaught SyntaxError: Unexpected token u

Do you see the following error in your console and wonder what's wrong?

Uncaught SyntaxError: Unexpected token

Most likely, this error occurs when the input given to the JSON.parse() can not be converted to a valid JSON object. For example,

JSON.parse(undefined) // Uncaught SyntaxError: Unexpected token u(…)
JSON.parse('') // Uncaught SyntaxError: Unexpected end of input
JSON.parse('foo') // Uncaught SyntaxError: Unexpected token o(…)

Make sure the input to the JSON.parse can be converted to the valid JSON object. I hope this helped resolving your problem.

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