fix: panic for listing resources (closes #276)

[Justintime50]

Description

It's possible a panic can occur when we try to set out params when it's empty because instead err is populated. This closes #276

Testing

Pull Request Type

Please select the option(s) that are relevant to this PR.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Improvement (fixing a typo, updating readme, renaming a variable name, etc.)