Not able to calculate Elliptic filter for order > 9

[SashkoTar]

Exception in thread "main" java.util.NoSuchElementException: head of empty list
at scala.collection.immutable.Nil$.head(List.scala:420)
at scala.collection.immutable.Nil$.head(List.scala:417)
at net.sparja.syto.math.EllipticIntegral$.ellipInc(EllipticIntegral.scala:41)
at net.sparja.syto.math.EllipticIntegral$.F(EllipticIntegral.scala:47)
at net.sparja.syto.math.EllipticIntegral$.K(EllipticIntegral.scala:45)