scala.MatchError: null

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scala.MatchError: null
at undefined.anon$lazy$macro$36$1$anon$macro$32$1.to(:16)
at shapeless.LabelledGeneric$$anon$1.to(generic.scala:228)
at io.circe.generic.encoding.DerivedObjectEncoder$$anon$1.encodeObject(DerivedObjectEncoder.scala:13)
at io.circe.ObjectEncoder.apply(ObjectEncoder.scala:12)
at io.circe.ObjectEncoder.apply$(ObjectEncoder.scala:12)
at io.circe.generic.encoding.DerivedObjectEncoder.apply(DerivedObjectEncoder.scala:6)
at undefined.anon$lazy$macro$46$1$$anon$2.encodeObject(:20)
at io.circe.generic.encoding.DerivedObjectEncoder$$anon$1.encodeObject(DerivedObjectEncoder.scala:13)

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