Calculator error

Hello! I think i solved all the problems with my calculator, as it gives me the correct result in every single mathematical problem, but it keeps returning the same error:

  1. If 2 or more operators are entered consecutively, the operation performed should be the last operator entered (excluding the negative (-) sign.
    Uncaught TypeError: Cannot read properties of null (reading ‘length’) (https://esm.sh/v130/react-dom@18.2.0/es2022/react-dom.mjs:9)
    Error: Uncaught TypeError: Cannot read properties of null (reading ‘length’) (https://esm.sh/v130/react-dom@18.2.0/es2022/react-dom.mjs:9)
    at a.onerror (https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js:581:13785)
    at https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js:581:112350
    at p (https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js:581:94539)
    at Generator. (https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js:581:95876)
    at Generator.next (https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js:581:94902)
    at r (https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js:1:1169)
    at s (https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js:1:1380)

The project link is: Calculator (codepen.io)

thank you!

I just ran the tests on your calculator and they all passed. Perhaps you fixed it since you posted this?

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