Is "error" a reserved word in TICKscript?

We created an InfluxDB database that has a tag named error. I’ve had some frustration trying to query it and work with it. Before I tear out too much more hair, I wanted to check to see if error is a reserved word or somehow used in the language. I renamed the tag and have made more progress, but I’m not sure if it’s because of the renaming or just luck.

Any insight on the use of that word would be helpful. Thanks.