failed to run `@example` block in src/examples/problem_types.md:23-50 ```@example problem_types import GalerkinToolkit as GT import ForwardDiff import GLMakie using LinearAlgebra domain = (0,1,0,1) cells = (10,10) mesh = GT.cartesian_mesh(domain,cells;simplexify=true) dirichlet_tag = "dirichlet" GT.label_boundary_faces!(mesh;physical_name=dirichlet_tag) Ω = GT.interior(mesh) Γd = GT.boundary(mesh;physical_names=[dirichlet_tag]) k = 1 V = GT.lagrange_space(Ω,k;dirichlet_boundary=Γd) uhd = GT.dirichlet_field(Float64,V) g = GT.analytical_field(x->0,Ω) f = GT.analytical_field(x->1,Ω) GT.interpolate_dirichlet!(g,uhd) dΩ = GT.measure(Ω,2*k) gradient(u) = x->ForwardDiff.gradient(u,x) ∇(u,x) = GT.call(gradient,u)(x) a(u,v) = GT.∫( x->∇(u,x)⋅∇(v,x), dΩ) l(v) = GT.∫( x->v(x)*f(x), dΩ) x,A,b = GT.linear_problem(uhd,a,l) x .= A\b uh = GT.solution_field(uhd,x) GLMakie.plot(Ω;color=uh,strokecolor=:black) ``` exception = ArgumentError: Package GLMakie not found in current path. - Run `import Pkg; Pkg.add("GLMakie")` to install the GLMakie package. Stacktrace: [1] macro expansion @ ./loading.jl:2223 [inlined] [2] macro expansion @ ./lock.jl:273 [inlined] [3] __require(into::Module, mod::Symbol) @ Base ./loading.jl:2198 [4] #invoke_in_world#3 @ ./essentials.jl:1089 [inlined] [5] invoke_in_world @ ./essentials.jl:1086 [inlined] [6] require(into::Module, mod::Symbol) @ Base ./loading.jl:2191 [7] eval @ ./boot.jl:430 [inlined] [8] #60 @ ~/.julia/packages/Documenter/C1XEF/src/expander_pipeline.jl:754 [inlined] [9] cd(f::Documenter.var"#60#62"{Module, Expr}, dir::String) @ Base.Filesystem ./file.jl:112 [10] (::Documenter.var"#59#61"{Documenter.Page, Module, Expr})() @ Documenter ~/.julia/packages/Documenter/C1XEF/src/expander_pipeline.jl:753 [11] (::IOCapture.var"#5#9"{DataType, Documenter.var"#59#61"{Documenter.Page, Module, Expr}, IOContext{Base.PipeEndpoint}, IOContext{Base.PipeEndpoint}, IOContext{Base.PipeEndpoint}, IOContext{Base.PipeEndpoint}})() @ IOCapture ~/.julia/packages/IOCapture/Y5rEA/src/IOCapture.jl:170 [12] with_logstate(f::IOCapture.var"#5#9"{DataType, Documenter.var"#59#61"{Documenter.Page, Module, Expr}, IOContext{Base.PipeEndpoint}, IOContext{Base.PipeEndpoint}, IOContext{Base.PipeEndpoint}, IOContext{Base.PipeEndpoint}}, logstate::Base.CoreLogging.LogState) @ Base.CoreLogging ./logging/logging.jl:522 [13] with_logger(f::Function, logger::Base.CoreLogging.ConsoleLogger) @ Base.CoreLogging ./logging/logging.jl:632 [14] capture(f::Documenter.var"#59#61"{Documenter.Page, Module, Expr}; rethrow::Type, color::Bool, passthrough::Bool, capture_buffer::IOBuffer, io_context::Vector{Any}) @ IOCapture ~/.julia/packages/IOCapture/Y5rEA/src/IOCapture.jl:167 [15] runner(::Type{Documenter.Expanders.ExampleBlocks}, node::MarkdownAST.Node{Nothing}, page::Documenter.Page, doc::Documenter.Document) @ Documenter ~/.julia/packages/Documenter/C1XEF/src/expander_pipeline.jl:752

Process completed with exit code 1.

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