I think the following is self explanatory: julia> Pkg.update() INFO: Updating METADATA... INFO: Updating cache of WoodburyMatrices... INFO: Updating RobustStats... INFO: Computing changes... ERROR: Rmath can't be installed because it has no versions that support 0.3.7 of julia. You may need to update METADATA by running `Pkg.update()` in error at error.jl:22 in resolve at /Applications/Julia-0.3.7.app/Contents/Resources/julia/lib/julia/sys.dylib in update at /Applications/Julia-0.3.7.app/Contents/Resources/julia/lib/julia/sys.dylib in anonymous at pkg/dir.jl:28 in cd at /Applications/Julia-0.3.7.app/Contents/Resources/julia/lib/julia/sys.dylib in __cd#228__ at /Applications/Julia-0.3.7.app/Contents/Resources/julia/lib/julia/sys.dylib in update at /Applications/Julia-0.3.7.app/Contents/Resources/julia/lib/julia/sys.dylib
Anyone can explain to me possible reasons causing this to happen?