⟨10egg⟩ Something changed the max radius of Eeloo (probably by changing its terrain), which means this is a different system in our eyes.
Your system:
I0316 08:53:56.469120  6668 ksp_plugin_adapter.cs:2507] Inserting Eeloo...
[…]
make_optional_c_string(body_parameters.min_radius): 209100 m
make_optional_c_string(body_parameters.mean_radius): 210000 m
make_optional_c_string(body_parameters.max_radius): 215390 m
[…]
I0316 08:53:56.475050  6668 interface.cpp:287] Fingerprint 62190B90136C5894 for Eeloo
[…]
I0316 08:53:56.749032  6668 plugin.cpp:203] System fingerprint is 0x64539CD8A43DA067
W0316 08:53:56.749032  6668 plugin.cpp:231] This is an unknown system, we don't know anything about its stability:
Stock:
I0316 15:40:57.505048 19464 ksp_plugin_adapter.cs:2507] Inserting Eeloo...
[…]
make_optional_c_string(body_parameters.min_radius): 209100 m
make_optional_c_string(body_parameters.mean_radius): 210000 m
make_optional_c_string(body_parameters.max_radius): 214940 m
[…]
I0316 15:40:57.507048 19464 interface.cpp:287] Fingerprint 0D0FFB94784D3A3F for Eeloo
[…]
I0316 15:40:57.512049 19464 plugin.cpp:203] System fingerprint is 0x7A077635599E23F2
W0316 15:40:57.512049 19464 plugin.cpp:209] This appears to be the dreaded KSP stock system!
I0316 15:40:57.512049 19464 plugin.cpp:212] System fingerprint after stabilization is 0x4B830CBDF5E77F8D
I0316 15:40:57.512049 19464 plugin.cpp:219] This is the stabilized KSP system, all hail retrobop!