Error: receipt.items.amount YooKassa

Hello, Vyacheslav!

I just found another problem with the YooKassa payment gateway. Now we are talking about the version of Shop_id that works without receipts, but can accept payments. The problem is the following. Small amounts up to 5000 RUB are processed, if the basket amount is over 5000 RUB, an error occurs: when you click the "Place order" button, the site returns the following error: "Invalid parameter's value Yookassa"
Here is the message from the log of the personal account of Yokassa.
Request:

idempotence-key: '67b3622b9228e3.56385942'
content-type: 'application/json'
{
"amount": {
"value": "7200.00",
"currency": "RUB"
},
"confirmation": {
"type": "redirect",
"return_url": "https://toudi.ru/index.php?option=com_gridbox&task=store.setOrder&time=1739809323"
},
"capture": true,
"description": "Набор Lemon (Small, Medium, Large), Курьерская служба \"CDEK\"",
"receipt": {
"customer": {
"email": "*****"
},
"items": [
{
"description": "Набор Lemon (Small, Medium, Large)",
"quantity": 1,
"amount": {
"value": "7500",
"currency": "RUB"
},
"vat_code": "2"
},
{
"description": "Курьерская служба \"CDEK\"",
"quantity": 1,
"amount": {
"value": "450",
"currency": "RUB"
},
"vat_code": "2"
}
]
}
}

Answer:

{
"type": "error",
"id": "019514b7-7af9-740a-90b4-dd2ecd3940ae",
"code": "invalid_request",
"description": "Invalid parameter's value (for example, the value is illegal or its format is incorrect). Send the value in accordance with the documentation.",
"parameter": "receipt.items.amount"
}

What could be the problem?

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