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Dash frontend error

Hi,

I got errors from dash frontend. But it complains in reactjs. How to interpret into where my python codes have problems?

the errors are:
react-dom@16.v1_2_2m1614976232.8.6.js:500 Warning: React does not recognize the setProps prop on a DOM element. If you intentionally want it to appear in the DOM as a custom attribute, spell it as lowercase setprops instead. If you accidentally passed it from a parent component, remove it from the DOM element.
in nav (created by je)
in je (created by l)
in l (created by CheckedComponent)
in CheckedComponent (created by TreeContainer)
in UnconnectedComponentErrorBoundary (created by Connect(UnconnectedComponentErrorBoundary))
in Connect(UnconnectedComponentErrorBoundary) (created by TreeContainer)
in TreeContainer (created by Connect(TreeContainer))
in Connect(TreeContainer) (created by TreeContainer)
in div (created by u)
in u (created by CheckedComponent)
in CheckedComponent (created by TreeContainer)
in UnconnectedComponentErrorBoundary (created by Connect(UnconnectedComponentErrorBoundary))
in Connect(UnconnectedComponentErrorBoundary) (created by TreeContainer)
in TreeContainer (created by Connect(TreeContainer))
in Connect(TreeContainer) (created by UnconnectedContainer)
in div (created by UnconnectedGlobalErrorContainer)
in div (created by GlobalErrorOverlay)
in div (created by GlobalErrorOverlay)
in GlobalErrorOverlay (created by DebugMenu)
in div (created by DebugMenu)
in DebugMenu (created by UnconnectedGlobalErrorContainer)
in div (created by UnconnectedGlobalErrorContainer)
in UnconnectedGlobalErrorContainer (created by Connect(UnconnectedGlobalErrorContainer))
in Connect(UnconnectedGlobalErrorContainer) (created by UnconnectedContainer)
in UnconnectedContainer (created by Connect(UnconnectedContainer))
in Connect(UnconnectedContainer) (created by UnconnectedAppContainer)
in UnconnectedAppContainer (created by Connect(UnconnectedAppContainer))
in Connect(UnconnectedAppContainer) (created by AppProvider)
in Provider (created by AppProvider)
in AppProvider
warningWithoutStack @ react-dom@16.v1_2_2m1614976232.8.6.js:500
react-dom@16.v1_2_2m1614976232.8.6.js:500 Warning: Received false for a non-boolean attribute fluid.

If you want to write it to the DOM, pass a string instead: fluid=“false” or fluid={value.toString()}.

If you used to conditionally omit it with fluid={condition && value}, pass fluid={condition ? value : undefined} instead.
in nav (created by je)
in je (created by l)
in l (created by CheckedComponent)
in CheckedComponent (created by TreeContainer)
in UnconnectedComponentErrorBoundary (created by Connect(UnconnectedComponentErrorBoundary))
in Connect(UnconnectedComponentErrorBoundary) (created by TreeContainer)
in TreeContainer (created by Connect(TreeContainer))
in Connect(TreeContainer) (created by TreeContainer)
in div (created by u)
in u (created by CheckedComponent)
in CheckedComponent (created by TreeContainer)
in UnconnectedComponentErrorBoundary (created by Connect(UnconnectedComponentErrorBoundary))
in Connect(UnconnectedComponentErrorBoundary) (created by TreeContainer)
in TreeContainer (created by Connect(TreeContainer))
in Connect(TreeContainer) (created by UnconnectedContainer)
in div (created by UnconnectedGlobalErrorContainer)
in div (created by GlobalErrorOverlay)
in div (created by GlobalErrorOverlay)
in GlobalErrorOverlay (created by DebugMenu)
in div (created by DebugMenu)
in DebugMenu (created by UnconnectedGlobalErrorContainer)
in div (created by UnconnectedGlobalErrorContainer)
in UnconnectedGlobalErrorContainer (created by Connect(UnconnectedGlobalErrorContainer))
in Connect(UnconnectedGlobalErrorContainer) (created by UnconnectedContainer)
in UnconnectedContainer (created by Connect(UnconnectedContainer))
in Connect(UnconnectedContainer) (created by UnconnectedAppContainer)
in UnconnectedAppContainer (created by Connect(UnconnectedAppContainer))
in Connect(UnconnectedAppContainer) (created by AppProvider)
in Provider (created by AppProvider)
in AppProvider
warningWithoutStack @ react-dom@16.v1_2_2m1614976232.8.6.js:500

I have no ideas where to debug. Any advice and tips?

Many thanks,
greenfield

I just ran across the same issue. After testing and tracing, it appears to stem from setting debug=True. In my case setting it to False cleared the warning.