title: "collection element of type BOOL" is not an objective-c object
body: <p>Anyone have a clue why I am getting this?</p>
  
  <pre><code>-(void)postPrimaryEMWithEM:(EM *)em
                exclusive:(BOOL) isExclusive
                   success:(void (^)())onSuccess
                   failure:(void (^)())onFailure {
  
  
  if(self.accessToken) {
  
  
      GenericObject *genObject = [[GenericObject alloc] init];
  
      [[RKObjectManager sharedManager] postObject:genObject
                                            path:@"users/update.json"
                                      parameters:@{
                                                    ...
                                                   @"em_id"  : ObjectOrNull(em.emID),
                                                   @"exclusive": isExclusive  &lt;-- error message
  </code></pre>