⟨Al2Me6⟩ [EXC 15:04:45.373] ArgumentNullException: Value cannot be null.
Parameter name: key
    System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) (at <ad04dee02e7e4a85a1299c7ee81c79f6>:0)
    System.Collections.Generic.Dictionary`2[TKey,TValue].TryGetValue (TKey key, TValue& value) (at <ad04dee02e7e4a85a1299c7ee81c79f6>:0)
    principia.ksp_plugin_adapter.L10N.Name (CelestialBody body) (at <65c7bf2f4e324461b01170ebbad8bf3b>:0)
    principia.ksp_plugin_adapter.L10N+<>c.<CelestialString>b__15_0 (CelestialBody body) (at <65c7bf2f4e324461b01170ebbad8bf3b>:0)
    System.Linq.Enumerable+<SelectManyIterator>d__167`3[TSource,TCollection,TResult].MoveNext () (at <fbb5ed17eb6e46c680000f8910ebb50c>:0)
    System.Collections.Generic.LargeArrayBuilder`1[T].AddRange (System.Collections.Generic.IEnumerable`1[T] items) (at <fbb5ed17eb6e46c680000f8910ebb50c>:0)
    System.Collections.Generic.SparseArrayBuilder`1[T].AddRange (System.Collections.Generic.IEnumerable`1[T] items) (at <fbb5ed17eb6e46c680000f8910ebb50c>:0)
    System.Collections.Generic.SparseArrayBuilder`1[T].ReserveOrAdd (System.Collections.Generic.IEnumerable`1[T] items) (at <fbb5ed17eb6e46c680000f8910ebb50c>:0)
    System.Linq.Enumerable+Concat2Iterator`1[TSource].ToArray () (at <fbb5ed17eb6e46c680000f8910ebb50c>:0)
    System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable`1[T] source) (at <fbb5ed17eb6e46c680000f8910ebb50c>:0)
    principia.ksp_plugin_adapter.L10N.CelestialString (System.String template, CelestialBody[] bodies, System.Object[] args) (at <65c7bf2f4e324461b01170ebbad8bf3b>:0)
    principia.ksp_plugin_adapter.OrbitAnalyser.RenderOrbitalElements (System.Nullable`1[T] elements, CelestialBody primary) (at <65c7bf2f4e324461b01170ebbad8bf3b>:0)
    principia.ksp_plugin_adapter.OrbitAnalyser.RenderWindow (System.Int32 window_id) (at <65c7bf2f4e324461b01170ebbad8bf3b>:0)