Running mods? If the answer is yes, that's your answer right there. Wait for your mods (especially frameworks) to be updated, update them and then it'll launch just fine. That's completely normal.
If the answer is no, then have you ever ran mods? If the answer is yes, then you will want to perform a clean install as described here:
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If you never had any mods, then you might be facing a corrupted update download. It's rare but it happens, validate your files through whatever platform you use.
If that doesn't work, a clean install might still do it. If none of this work, then you may want to open your own thread and giving as much details as possible.