Esri / Esri/arcgis-runtime-tutorials-ios

NSPlaceholderArray error

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Objective-C
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Description

I can't execute the code. it's crashing on line
` featureLayer.selectFeatures(with: selectQuery, selectionMethod: .new)
`
on pickerView function stating the following error.
'NSInvalidArgumentException', reason: '*** -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[0]'

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