Handle Error from nonSystemCollectionsCount in exporter.go

[rriverak]

As described in #562 , we have very common access violations which seem unnecessary. Handling the error from nonSystemCollectionsCount should end the access error loop here...

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• [ ] Tests passed.
• [ ] Fix conflicts with target branch.
• [ ] Update jira ticket description if needed.
• [ ] Attach screenshots/console output to confirm new behavior to jira ticket, if applicable.

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