Paypal single payout: TRANSACTION_LIMIT_EXCEEDED API Error - node.js

Question

I'm trying to make a singe payout with the REST API of PayPal with Node.js and get this error:
//...
"errors": {
"name": "TRANSACTION_LIMIT_EXCEEDED",
"message": "Either the sender or receiver exceeded the transaction limit",
}
//...
What I do:
I use this example Code:
var paypal = require('paypal-rest-sdk');
module.exports = {
payMe: function (req, res,next) {
var mail = req.param('mail'); //this email comes from the paypal sandbox
paypal.configure({
'mode': 'sandbox',
'client_id': 'mycliendID',
'client_secret': 'myClientSecret'
});
var sender_batch_id = Math.random().toString(36).substring(9);
var create_payout_json = {
"sender_batch_header": {
"sender_batch_id": sender_batch_id,
"email_subject": "You have a payment"
},
"items": [
{
"recipient_type": "EMAIL",
"amount": {
"value": 0.90,
"currency": "CHF" //changed from Dollar to CHF
},
"receiver": mail,
"note": "Thank you.",
"sender_item_id": "item_3"
}
]
};
var sync_mode = 'true'; //for single payout
paypal.payout.create(create_payout_json, sync_mode, function (error, payout) {
if (error) {
console.log(error.response);
res.json(error.response);
throw error;
} else {
console.log("Create Single Payout Response");
console.log(payout);
payout.status= "You are in the else";
res.json(payout);
}
});
}
}
=>The Email-Address comes from my sandbox account - the Balance of this User is set to 900.00 CHF! (Much more than the 0.90 CHF which I want to payout)
=>I created under My Apps and Credentials a new REST API App and select the previous created User (with 900.00CHF balance). Those credentials are used in the above code snipped in paypal.configure()
"Either the sender or receiver exceeded the transaction limit"
Where can I change the transaction limit for the App and User in the sandbox?

Answer 1

OK Solved.
I logged in with the sandbox email address - there you can see all transactions.
Under "Denied" I saw the 0.90CHF - With a popup: "The receiver decided to deny the payment"
Then I realised that I used the same E-Mail Address for the Receiver and the Sender. That accused the Error. - The error-message is not very clear.
Maybe someone else is also doing the same mistake, so I let this here.