Kodular: internal error, I cannot change the color of the components

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#1

hello, in one of my projects I cannot change the color of the components because it always gives me an internal error. Please help me. Sorry for my bad English.

error code
faultData = com.google.gwt.event.shared.UmbrellaException: Exception caught: (SyntaxError) : Expected property name or ‘}’ in JSON at position 2

#2
#3

It works, perfect. thank you so much