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Amy BuchananAmy Buchanan 

challenge problem with integrate external data

I am trying to complete Integrate External Data challenge but get this error, 

Challenge not yet complete in
An external object with the API name Phone__x does not exist or it does not have a field with the API name 'UUID__C.

But I can see they are there. What am I missing?User-added image
Raj VakatiRaj Vakati
Looks like its an API name issue its not phone__x and its Phone__x 
Amy BuchananAmy Buchanan
I know it looks like it says phone_X instead of phone_ _X  but that's just because of the font. it does say phone_ _X. 
Amy BuchananAmy Buchanan
Turns out I remembered I had to change the Mobile Devices Data source type so I could complete a previous challenge because it would not let me create another external data source with the type 0Data 2.0 because I had run out of available data types. as soon as I changed it back to 0Data 2.0 Type it worked fine.