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AG Grid: Unable to use the Clipboard API (navigator.clipboard.undefined()). The reason why it could not be used has been logged in the previous line. For this reason the grid has defaulted to using a workaround which doesn't perform as well. Either fix why Clipboard API is blocked, OR stop this message from appearing by setting grid property suppressClipboardApi=true (which will default the grid to using the workaround rather than the API.
To show this error text in the dev console, import the ValidationModule.