Cannot read properties of undefined (reading ‘handlereset’) formik

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Error: Cannot read properties of undefined (reading ‘handleReset’)

This error occurs when trying to access a property called ‘handleReset’ on an undefined object in the Formik library. The error message indicates that ‘handleReset’ is not defined on the object you are trying to access it from.

To fix this error, you need to make sure that the object on which ‘handleReset’ is being accessed is defined and has the ‘handleReset’ property implemented correctly.

Example:

Let’s say you have a Formik form component as follows: 


import { useFormik } from 'formik';

const MyForm = () => {
  const formik = useFormik({  // Suppose the error occurs on this line
    initialValues: {
      ...
    },
    onSubmit: values => {
      ...
    }
  });

  return (
    <form onSubmit={formik.handleSubmit}>
      <input
        type="text"
        name="username"
        value={formik.values.username}
        onChange={formik.handleChange}
      />
      ...
      // Some other form fields

      <button type="submit">Submit</button>
      <button type="reset" onClick={formik.handleReset}>Reset</button>
    </form>
  );
};

In this example, ‘formik’ is an instance of the useFormik hook. It provides various helpers and properties, including ‘handleReset’, which is used in the ‘onClick’ event of the reset button. If you see the error “Cannot read properties of undefined (reading ‘handleReset’)”, it means that the ‘formik’ object is undefined or does not have the ‘handleReset’ property.

To resolve this issue, make sure you have imported the ‘useFormik’ hook correctly and are assigning it to the ‘formik’ variable properly. Also, ensure that you have defined the ‘handleReset’ function in the form’s ‘onSubmit’ handler or elsewhere in your code.

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