404 error filter hook

  • Hello

    Don’t you know where to apply add_filter hook in 404 error pages when the the_content, the_post doesn’t exist on 404 error pages?

    The goal is to replace “the content” or include on it’s place custom error message.
    I know I can place it in template straight, but that’s not what I want to do.

    thx 2046

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