Cannot create region maps (`transform` not defined)

[euronion]

When running createmaps(<region>) I run into the following warning and error. No map is created to the GlobalEnergyGIS/output/ directory:

julia> createmaps("Europe8")
WARNING: both DataFrames and GeoMakie export "transform"; uses of it in module GlobalEnergyGIS must be qualified
Mapping colors to regions (avoid same color in adjacent regions)...

Projecting coordinates (Mollweide)...

Finding interregional transmission lines...

Onshore map...
...constructing map...
[ Info: Makie/AbstractPlotting is caching fonts, this may take a while. Needed only on first run!
...drawing transmission lines...
ERROR: UndefVarError: transform not defined
Stacktrace:
 [1] createmap(::String, ::Array{Int16,2}, ::Array{Symbol,1}, ::Array{Float64,1}, ::StepRangeLen{Float64,Base.TwicePrecision{Float64},Base.TwicePrecision{Float64}}, ::Array{ColorTypes.RGB{Float64},1}, ::Proj4.Projection, ::Proj4.Projection, ::Array{Float64,2}, ::Array{Float64,2}, ::Array{Float64,2}, ::Array{Float64,2}, ::Array{Bool,2}, ::Array{Bool,2}; lines::Bool, labels::Bool, resolutionscale::Int64, textscale::Int64, legend::Bool) at /home/<home>/.julia/packages/GlobalEnergyGIS/gFPzK/src/mapping.jl:35
 [2] createmaps(::String; scenarioyear::String, lines::Bool, labels::Bool, resolutionscale::Int64, textscale::Int64, randseed::Int64) at /home/<home>/.julia/packages/GlobalEnergyGIS/gFPzK/src/mapping.jl:95
 [3] createmaps(::String) at /home/<home>/.julia/packages/GlobalEnergyGIS/gFPzK/src/mapping.jl:67
 [4] top-level scope at REPL[17]:1