SharePoint Online CustomAction redirect error

Copper Contributor

I am working on an add-in for SharePoint Online. 

I have a problem with the redirect in the <CustomAction> element where the button subscribes to

<CommandUIHandler Command = "Redirect.Command" CommandAction = "" />

On the redirect page I get an error like in the screenshotZrzut ekranu 2022-07-25 o 10.33.03.png

There is no additional information and I have no idea what is wrong. Maybe some of you have encountered such a problem?

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