If you have an up-and-running site with the data explorer installed, I think you should be able to get a look at what that may be referring to using this query:
SELECT *
FROM theme_fields
WHERE id = 3
If you have an up-and-running site with the data explorer installed, I think you should be able to get a look at what that may be referring to using this query:
SELECT *
FROM theme_fields
WHERE id = 3