Synkroniserings feil Visma DI

[Anonymous]

Hei

Får følgende feilmelding under synkronisering.

20170717 15:10:16 - [PID: 15072] - FP601- -1 - An unsecured or incorrectly secured fault was received from the other party. See the inner FaultException for the fault code and detail.
20170717 15:10:18 - [PID: 15072] - FP601- 99 - Object reference not set to an instance of an objec

Noen som vet hva dette kan være ?

Med vennlig hilsen

Øystein Salvesen