Best answer by ZaM
Unfortunately, this might be a driver related issue with AMD.
Could you try going live with AMD being set in OBS Studio and see if you are able to go live?
If OBS Studio crashes as well this would be a driver issue, you would need to reinstall your AMD driver which you can find by going here.
This may or may not resolve the issue. If it does not this would not be something we could fix and would be need to be fixed in a future driver update by AMD.
If you are able to go live in OBS Studio with AMD being the selected encoder, then we would need your cache information which we will reach out to you in a DM to obtain.