ABAP RAP Custom Entity - Open URL in New Tab/Browser

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Dear experts,

I have a similar scenario as the this post (ABAP RAP Custom-Entity - Call External URL), where I created a RAP custom entity with a URL column field.

In my case, the URL field needs to open a new window once clicked. I added 'javascript:window.open' in the CDS code and it works fine during preview. However, after deployed it as Fiori application, the URL does not response to the click action. Below is the code and error message:

concat('javascript:window.open("',concat(evidence_url,'","_blank","width=500,height=500")')) as URL

Could you please suggest a solution/alternative method to open the URL in new browser?

Thanks in advance.