How to define a color input?

Does anybody know why I got this warning?
My routine was working, then I updated to Dynamo 1.3.1 and the warnings started. I uninstalled it but now even in Dynamo 1.3.0, the problem is happening with all the override’s nodes.

warning

The node you chose for selecting the color requires an input. You will find color related nodes explanation in the Dynamo Dictionary (http://dictionary.dynamobim.com/#/Core). See for instance ByARGB

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Thanks!