How to Display post_content in textarea field (in the edit box).?

I replaced my WordPress TinyMCE editor with a custom textarea field.

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@swansonphotos What I meant was that I removed the default text editor with a textarea but having problem with displaying the saved content when in the edit mode. I hope this is clear enough?

@swansonphotos I’m not able to edit the post. How do I go about it? Thanks.

I removed the default text editor with a textarea

Can be specific on that step? Did you modify code, add a plugin?

@swansonphotos I replaced the default text editor with a textarea.

I use a plugin.

This is my code:

function wpdocs_remove_post_type_support() {
    remove_post_type_support( 'post', 'editor' );
}

add_action('init' ,'wpdocs_remove_post_type_support' );

function myprefix_edit_form_advanced() {
	

require('texteditor.html'); 

} 	

add_action( 'edit_form_after_title', 'myprefix_edit_form_advanced' );

What happens if you deactivate your custom plugin?

@swansonphotos The tinymce editor shows up again.

Please refer to the initial link added.