Problem :
User failed to export documents from system and getting error as " Object with available status does not exist for a copy source, or source repository is offline or M2 of source repository is offline "
Solution :
There could be many other reason for this issue.
1) Make sure that eB services are running or restart the services and check.
2) Restart the application server and check if it is working.
3) Make sure that required files are present and not moved or deleted from repository - This could be major reason for error