MethodError: no method matching position(::SPK, ::String, ::Float64)

[hjy1210]

Following the usage section in documentation

using JPLEphemeris
using Dates
using Printf

# Load the DE430 SPK kernel
spk = SPK("de430.bsp")

# List the available segments
print_segments(spk)

# 2016-01-01T00:00 in Julian days
jd = Dates.datetime2julian(DateTime(2016,1,1,0,0,0))

# Position of Earth's barycenter w.r.t. the Solar System's barycenter at 2016-01-01T00:00
# [km]
pos = position(spk, "earth barycenter", jd)

# Velocity of Earth w.r.t. Earth's barycentre at 2016-01-01T00:00
# [km/s]
vel = velocity(spk, "earth barycenter", "earth", jd)

# Compute the state vector (position and velocity) of Earth's barycenter (NAIF ID: 3)
# w.r.t. to the Solar System's barycenter (NAIF ID: 0) for a range of Julian days
st = state(spk, 0, 3, jd:jd+100)

I got following output with error

Solar System Barycenter (0) => Mercury Barycenter (1)
Solar System Barycenter (0) => Venus Barycenter (2)
Solar System Barycenter (0) => Earth Barycenter (3)
Solar System Barycenter (0) => Mars Barycenter (4)
Solar System Barycenter (0) => Jupiter Barycenter (5)
Solar System Barycenter (0) => Saturn Barycenter (6)
Solar System Barycenter (0) => Uranus Barycenter (7)
Solar System Barycenter (0) => Neptune Barycenter (8)
Solar System Barycenter (0) => Pluto Barycenter (9)
Solar System Barycenter (0) => Sun (10)
Mercury Barycenter (1) => Mercury (199)
Venus Barycenter (2) => Venus (299)
Earth Barycenter (3) => Luna (301)
Earth Barycenter (3) => Earth (399)
MethodError: no method matching position(::SPK, ::String, ::Float64)
Closest candidates are:
  position(::AstroBase.Ephemerides.AbstractEphemeris, !Matched::AstroTime.Epochs.Epoch, !Matched::CelestialBody; kwargs...) at C:\Users\hjy\.julia\packages\AstroBase\LxXo1\src\Ephemerides\abstract.jl:83
  position(::AstroBase.Ephemerides.AbstractEphemeris, !Matched::AstroTime.Epochs.Epoch, !Matched::CelestialBody, !Matched::CelestialBody; kwargs...) at C:\Users\hjy\.julia\packages\AstroBase\LxXo1\src\Ephemerides\abstract.jl:70

Stacktrace:
 [1] top-level scope at In[1]:16
 [2] include_string(::Function, ::Module, ::String, ::String) at .\loading.jl:1091

Environment:
Julia 1.5.3, Windows 10