Fix: resolve errors

[rajatgupta24]

Issue Number There are some error in console

fixes # Solving errors in console

Describe the changes you've made Change: classes -> classname Add: item in grid component

Describe if there is any unusual behavior (Any Warning) of your code(Write NA if there isn't)

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Checklist

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] All new and existing tests passed.
• [ ] The title of my pull request is a short description of the requested changes.

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