Cannot Connect banking Via Plaid TomorrowIdeas

All I’m getting is an error from plaid

Something went wrong, Interal error occurred.

I do not know what to do and or how to fix it.

Here is the what I have tried on the front end with javascript.

<button id="link-button">Link Bank Account</button>
<script type="text/javascript" src="https://cdn.plaid.com/link/v2/stable/link-initialize.js"></script>
<script type="text/javascript">
    var linkHandler = Plaid.create({
        clientName: '<?php echo $case->name; ?>',
        env: '<?php echo getenv("PLAID_ENVIRONMENT"); ?>', // or 'development' or 'production' based on your environment
        key: '<?php echo getenv("PLAID_CLIENT_ID"); ?>', // Replace with your Plaid public key
        product: ['balance'], // or other products like 'transactions', 'balance', etc.
        onSuccess: function(public_token, metadata) {
            console.log('Plaid Link success!');
            console.log(public_token);
            console.log(metadata);
            // This is where you handle the success
            // Send the public_token to your backend to exchange it for an access_token
            fetch('/admin/api/plaid.php', {
                    method: 'POST',
                    body: JSON.stringify({
                        public_token: public_token
                    }),
                    headers: {
                        'Content-Type': 'application/json'
                    }
                })
                .then(response => response.json())
                .then(data => {
                    console.log('Access token received:', data.access_token);
                });
        },
        onExit: function(err, metadata) {
            console.log('Plaid Link exited');
            console.log(err, metadata);
        }
    });

    document.getElementById('link-button').onclick = function() {
        console.log('Button clicked, opening Plaid Link...');
        linkHandler.open();
    };
</script>

Here is the file that is tryng to fetch plaid.php
I am not sure if this has anything to do with the error or not.

I wasn’t able to find much documatation for plaid and PHP.
When I called plaid they were very not helpful.

require 'vendor/autoload.php';

use TomorrowIdeasPlaidPlaid;

$plaid = new Plaid(
    getenv("PLAID_CLIENT_ID"),
    getenv("PLAID_CLIENT_SECRET"),
    getenv("PLAID_ENVIRONMENT")
);

// Get the public_token from the request body
$data = json_decode(file_get_contents('php://input'), true);
$public_token = $data['public_token'];

try {
    $response = $plaid->items->get("access_token");
    print_r($response);
} catch (TomorrowIdeasPlaidPlaidRequestException $e) {
    echo "Error: " . $e->getMessage() . "n";
    var_dump($e); // Inspect the exception object for available properties
}
$item = $plaid->items->get("itm_1234");
exit();