Online order missing

Question:
[Why is there is an order missing on my order page which a client placed and paid for online?)

Product:
[Which editor or feature is your question most relevant to? e.g. Wix Editor, Wix Studio Editor, Editor X.]

What are you trying to achieve:
Trying to refresh "| understand why orders go missing?

What have you already tried:
Shut Wix Down - refresh - clear cache

Additional information:
Client placed and paid order online but it is missing from the order page on dashboard where all orders are listed i.e. 13900, 13902, 13903, 13904 etc. - 13901 is missing although I received an e-mail with the details it is missing from the order page.