Internal Server Error

[Gordana_Abacus_IT]

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Insert Attachment for Journal transaction 113193. Error: InternalServerError

Error: VismaId: 3a84118a-2067-4f75-a767-c466db829031. Error creating supplierInvoice. A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP Provider, error: 0 - The specified network name is no longer available.)

Har Visma drift problem eller?