404 Error for checkout

[lp_chunpi]

Hi We have encounter the issue when we try to get the checkout for our customer. In our production, we often see 404 not found occurs for admin/GET/<checkoutToken>  Can you help us for those issue? we have some sample request ids below, if that will help.

51d96ecc-3f7d-4cac-935b-4174add7ebb3

a4a0a6db-5451-481d-a054-0384e8bfb642

d8a58f83-a3fb-4456-ac28-5037201de0e8