Message
Invalid value for content: "foo"
Explanation
The content of a Robots META tag can only be:
all, none, index, noindex,
follow, or nofollow; or non-conflicting and
non-repeating combinations thereof, separated by commas.
Solution
Consult the documentation for the Robots META tag for further details.
Not clear? Disagree?
You might be able to find help in one of these fine resources.
