Hi,
Thank you so much for your interest in our products and for using our community.
Before installing the RTD 2.0.0, you need the S32 Design Studio IDE v3.4 Update 3. This update include the item which is giving you an error.
You can found it in S32K3 page -> Design Resources -> Software -> S32K3 Standard Software -> Automotive SW - S32K3 - S32 Design Studio -> Previous:
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Then install it in S32DS -> Help -> Install New Software
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Hope it helps you.
Have a nice day!