OMF export error due to network error

Hi there,
OMF export error, this is my new problem that I have which I don’t have a solution for it. I never experienced such a problem and I can’t manage it now. Can anyone help me to fix this error please ? What I did wrong ?

An error has occurred:
Assertion failed: Big_Trouble.
Filr:/Snapshots/releng.relengintel 7_1260842571/vobs/coresw/ame/Projects/Mac/../../src/msmdb/Local/Volume c, Line: 3585
