TypeError Cannot Read Property Of Undefined React (Resolved)

TypeError: Cannot read property 'XXXXX' of undefined" usually means that you are trying to access a property of an object that is undefined.

Here is an example of how this error might occur:

let obj = {}; console.log(obj.prop);  // This will output "TypeError: Cannot read property 'prop' of undefined"

To fix this error, you need to make sure that the object is defined before trying to access its properties.

One way to do this is to check if the object is undefined before trying to access its properties:

let obj; if (typeof obj !== "undefined") { console.log(obj.prop); }

Alternatively, you can use the && operator to only try to access the property if the object is defined:

let obj; console.log(obj && obj.prop);  // This will not throw an error

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