File not found error when trying to read in contents of a text file in svelte app

I am trying to read in the contents of a text file and display it in my svelte application. I am getting a 404 console error that says the file cannot be found even though I know the path is correct. Can anyone help with this please?

<script>
    let text;
    
    import { onMount } from 'svelte';
        onMount(()=> {
            loadItems();
        });
    
        const loadItems = async()=>{
            const response = await fetch ("aboutSimwb.txt");
            text = await response.text();
            
        };


</script>

<div class = "scrollable-container">
    
    <slot>
       <p>
        {text}
       </p>
    </slot>
</div>

<style>
    .scrollable-container{
        height: 300px;
        overflow-y: scroll;
        border: 1px solid #ccc;
    }
</style>