Improve "field not found" error messages

[andygrove]

Is your feature request related to a problem or challenge? Please describe what you are trying to do.
If I get an error such as "field X not found" it would be helpful to see what fields are available, in case I just have a typo in my query.

Describe the solution you'd like
Error messages should include the list of fields that are available.

Describe alternatives you've considered
None

Additional context
None