I too encounter a lot of issues with ResearchBodies and I finally got down to debug that. It seems that entering a SOI of unresearched body is the culprit. The configuration: KSP 1.10.1.2939 (OSXPlayer)  Research Bodies 1.12.0 Contract Configurator 1.30.5 no DLC, no other mods Steps to reproduce: Start career Set ResearchBodies difficulty to Medium (which means Jool is researched, but none of its moons are). Disable CommsNet Use che
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