I have two Relay mutations that I\'m nesting to first add an object then set its name. I believe what I\'m passing to the second mutation is in fact data fetched by Relay, b
Relay expects any fragments for your mutation to come from your props. Since you're using data coming from your callback and not something from your container props Relay raises that warning.
Take a look at the source: https://github.com/facebook/relay/blob/master/src/mutation/RelayMutation.js#L289-L307