cannot appear as a descendant of

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In HTML, the <form> element is used to create an HTML form for user input. However, according to the HTML specification, a <form> element cannot be placed inside another <form> element. This means that a <form> element cannot appear as a descendant of another <form> element.

Here is an example to illustrate the issue:

    <form>
      <!-- Your form content here -->
      
      <form>
        <!-- This is not allowed -->
      </form>
    </form>

In the example above, the inner <form> element cannot be placed inside the outer <form> element and will result in incorrect HTML markup.

To resolve this issue, you should ensure that nested <form> elements are not used. If you need to have multiple forms in your HTML, they should be placed separately and not nested inside each other.

    <form>
      <!-- Your outer form content here -->
    </form>
    
    <form>
      <!-- Your inner form content here -->
    </form>

By keeping the forms separate, you can avoid the <form> nested within another <form> issue and ensure valid HTML structure.

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