Presumably you don't have the license! The licensing scheme has essentially stayed the same - you can either use individual licenses for Spectre or SpectreRF option, or the multi-mode simulation licenses which are token based. The fact that you can run non-RF analyses suggests that your licenses have been updated to the later version, but something is awry with the mix of products. It's either that or you're using MMSIM licenses and you don't have enough across the department. Debugging this here is going to be pretty hard without knowing what your license configuration is, so I suggest you contact customer support . Andrew.
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