Parse-sdk-ios-osx: IncrementKey method throwing warning

[otymartin]

@nlutsenko

I keep getting this error when incrementing a PFObject number field
Why?

2016-07-18 00:18:21.648 Ballout[880:190687] -[__NSCFNumber incrementKey:]: unrecognized selector sent to instance 0xb000000000000003
2016-07-18 00:18:21.650 Ballout[880:190687] [Bolts] Warning: `BFTask` caught an exception in the continuation block. This behavior is discouraged and will be removed in a future release. Caught Exception: -[__NSCFNumber incrementKey:]: unrecognized selector sent to instance 0xb000000000000003

[nlutsenko]

Looks like you are trying to increment a value for a key, not the object directly.

What I mean is better explained with a code snippet:

PFObject *object = ...;
[object[@"foo"] incrementKey:@"bar"];

vs

PFObject *object = ...;
[object incrementKey:@"bar"];

I would double check your logic for when you are running the incremetKey and validate that the receiver of increment method call is an instance of PFObject or it's subclass.

[otymartin]

@nlutsenko

//I have this PFObject
var liveEvent: PFObject!
//I increment
self.liveEvent["chargedCount"].incrementKey("chargedCount", byAmount: NSNumber(integer: 1))
//Then save
self.liveEvent.saveInBackground()

I think I see where i went wrong.
self.liveEvent.incrementKey("chargedCount", byAmount: NSNumber(integer: 1)) 💯

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