Zend certified PHP/Magento developer

Inventory Stocks: Integrity constraint violation

I have a problem when using multiple Inventory stocks.
In my Magento 2.4 (2.4.5-p1) instance, there are multiple websites that act as country stores. All countries except one (USA) are supplied from one inventory stock; in Magento this corresponds to the default source/stock. For the USA I created another source/stock and assigned the USA stock to the website USA.
When I add items to the shopping cart in the USA website, I get the following error message when I go to the shopping cart page:

Integrity constraint violation: 1052 Column ‘sku’ in order clause is
ambiguous, query was: SELECT e.*, at_stock_status.stock_status,
stock_status_index.is_salable FROM catalog_product_entity AS e
LEFT JOIN cataloginventory_stock_status AS at_stock_status ON
(at_stock_status.product_id=e.entity_id) AND
(at_stock_status.stock_id=1) INNER JOIN catalog_product_entity AS
product ON product.entity_id = e.entity_id LEFT JOIN
inventory_stock_3 AS stock_status_index ON product.sku =
stock_status_index.sku WHERE (e.sku IN(‘45000794’, ‘45000770’))
AND (at_stock_status.stock_status = 1) ORDER BY FIELD(sku,’45000794′,
‘45000770’)

Exception #1 (PDOException): SQLSTATE[23000]: Integrity constraint
violation: 1052 Column ‘sku’ in order clause is ambiguous

Exception #0 (Zend_Db_Statement_Exception): SQLSTATE[23000]: Integrity
constraint violation: 1052 Column ‘sku’ in order clause is ambiguous,
query was: SELECT e.*, at_stock_status.stock_status,
stock_status_index.is_salable FROM catalog_product_entity AS e
LEFT JOIN cataloginventory_stock_status AS at_stock_status ON
(at_stock_status.product_id=e.entity_id) AND
(at_stock_status.stock_id=1) INNER JOIN catalog_product_entity AS
product ON product.entity_id = e.entity_id LEFT JOIN
inventory_stock_3 AS stock_status_index ON product.sku =
stock_status_index.sku WHERE (e.sku IN(‘45000794’, ‘45000770’))
AND (at_stock_status.stock_status = 1) ORDER BY FIELD(sku,’45000794′,
‘45000770’)

In all other websites, the shopping cart works as expected. If I remove the assignment of the USA stock to the website and the default stock gets assigned to the USA website, the shopping cart works as well, so it seems that there is no general problem with the website, but must be related to the stock.
Is this a known bug, or could it be related to a faulty configuration? And more importantly, how can I solve the problem?