DFunction not defined in SingularIntegralEquations

[xfireskyx]

I add SingularIntegralEquations.jl in Julia, but there is an error below:

(@v1.11) pkg> add https://github.com/JuliaApproximation/SingularIntegralEquations.jl
    Updating git-repo `https://github.com/JuliaApproximation/SingularIntegralEquations.jl`
   Resolving package versions...
  No Changes to `C:\Users\Tigerkin\.julia\environments\v1.11\Project.toml`
  No Changes to `C:\Users\Tigerkin\.julia\environments\v1.11\Manifest.toml`
Precompiling project...
  ✗ SingularIntegralEquations
  0 dependencies successfully precompiled in 11 seconds. 441 already precompiled.
  1 dependency errored.
  For a report of the errors see `julia> err`. To retry use `pkg> precompile`

julia> err
PkgPrecompileError: The following 1 direct dependency failed to precompile:

SingularIntegralEquations

Failed to precompile SingularIntegralEquations [e094c991-5a90-5477-8896-c1e4c9552a1a] to "C:\\Users\\Tigerkin\\.julia\\compiled\\v1.11\\SingularIntegralEquations\\jl_873D.tmp".
WARNING: could not import ApproxFunBase.DFunction into SingularIntegralEquations
WARNING: could not import LowRankApprox.refactorsvd! into SingularIntegralEquations
ERROR: LoadError: UndefVarError: `DFunction` not defined in `SingularIntegralEquations`
Stacktrace:
  [1] top-level scope
    @ C:\Users\Tigerkin\.julia\packages\SingularIntegralEquations\nFWRf\src\GreensFun\CauchyWeight.jl:37
  [2] eval(m::Module, e::Any)
    @ Core .\boot.jl:430
  [3] top-level scope
    @ C:\Users\Tigerkin\.julia\packages\SingularIntegralEquations\nFWRf\src\GreensFun\CauchyWeight.jl:36
  [4] include(mod::Module, _path::String)
    @ Base .\Base.jl:557
  [5] include(x::String)
    @ SingularIntegralEquations C:\Users\Tigerkin\.julia\packages\SingularIntegralEquations\nFWRf\src\SingularIntegralEquations.jl:2
  [6] top-level scope
    @ C:\Users\Tigerkin\.julia\packages\SingularIntegralEquations\nFWRf\src\GreensFun\GreensFun.jl:1
  [7] include(mod::Module, _path::String)
    @ Base .\Base.jl:557
  [8] include(x::String)
    @ SingularIntegralEquations C:\Users\Tigerkin\.julia\packages\SingularIntegralEquations\nFWRf\src\SingularIntegralEquations.jl:2
  [9] top-level scope
    @ C:\Users\Tigerkin\.julia\packages\SingularIntegralEquations\nFWRf\src\SingularIntegralEquations.jl:233
 [10] include
    @ .\Base.jl:557 [inlined]
 [11] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt128}}, source::Nothing)
    @ Base .\loading.jl:2790
 [12] top-level scope
    @ stdin:5
in expression starting at C:\Users\Tigerkin\.julia\packages\SingularIntegralEquations\nFWRf\src\GreensFun\CauchyWeight.jl:35
in expression starting at C:\Users\Tigerkin\.julia\packages\SingularIntegralEquations\nFWRf\src\GreensFun\GreensFun.jl:1
in expression starting at C:\Users\Tigerkin\.julia\packages\SingularIntegralEquations\nFWRf\src\SingularIntegralEquations.jl:2
in expression starting at stdin:

As I see it, I cannot import DFunction from ApproxFunBase.jl to SingularIntegralEquations.jl. Consequently, I find that DFunction is removed in ApproxFunBase v0.8.8. I am not sure how to fix it.