Is your feature request related to a problem? Please describe.
After #385 we return an empty page for missing genes. We should add some error/warning details message to the result.
Describe the solution you'd like
Add error/warning message to the result. This needs further specification and should include a computer-readable level (info/warning/error), computer-readable code, and a human-readable message.
Is your feature request related to a problem? Please describe. After #385 we return an empty page for missing genes. We should add some error/warning details message to the result.
Describe the solution you'd like Add error/warning message to the result. This needs further specification and should include a computer-readable level (info/warning/error), computer-readable code, and a human-readable message.
Describe alternatives you've considered N/A
Additional context
385