Installation problem

[RaimundK2]

When I install Optcontrol I get the error message below. Packages Color and Colortypes are not installed previously
ERROR: Unsatisfiable requirements detected for package Colors [5ae59095]:
Colors [5ae59095] log:
├─possible versions are: 0.9.0-0.12.10 or uninstalled
├─restricted by compatibility requirements with ColorTypes [3da002f7] to versions: 0.9.0-0.11.2 or uninstalled, leaving only versions: 0.9.0-0.11.2
│ └─ColorTypes [3da002f7] log:
│ ├─possible versions are: 0.7.0-0.11.4 or uninstalled
│ ├─restricted by compatibility requirements with QuartzImageIO [dca85d43] to versions: 0.7.0-0.9.1
│ │ └─QuartzImageIO [dca85d43] log:
│ │ ├─possible versions are: 0.5.0-0.7.4 or uninstalled
│ │ ├─restricted by compatibility requirements with Luxor [ae8d54c2] to versions: 0.5.0-0.6.0
│ │ │ └─Luxor [ae8d54c2] log:
│ │ │ ├─possible versions are: 0.11.0-3.7.0 or uninstalled
│ │ │ ├─restricted to versions 1 by ThinkJulia [a7f2b756], leaving only versions 1.0.0-1.12.0
│ │ │ │ └─ThinkJulia [a7f2b756] log:
│ │ │ │ ├─possible versions are: 0.0.0 or uninstalled
│ │ │ │ └─ThinkJulia [a7f2b756] is fixed to version 0.0.0
│ │ │ └─restricted by compatibility requirements with Cairo [159f3aea] to versions: 1.9.0-3.7.0 or uninstalled, leaving only versions: 1.9.0-1.12.0
│ │ │ └─Cairo [159f3aea] log:
│ │ │ ├─possible versions are: 0.5.3-1.0.5 or uninstalled
│ │ │ ├─restricted by compatibility requirements with Compat [34da2185] to versions: 0.7.0-1.0.5 or uninstalled, leaving only versions: 0.7.0-1.0.5
│ │ │ │ └─Compat [34da2185] log:
│ │ │ │ ├─possible versions are: 1.0.0-4.6.1 or uninstalled
│ │ │ │ ├─restricted by julia compatibility requirements to versions: 2.0.0-4.6.1 or uninstalled, leaving only versions: 2.0.0-4.6.1
│ │ │ │ └─restricted by compatibility requirements with DataStructures [864edb3b] to versions: 3.0.0-4.6.1
│ │ │ │ └─DataStructures [864edb3b] log:
│ │ │ │ ├─possible versions are: 0.9.0-0.18.13 or uninstalled
│ │ │ │ └─restricted by compatibility requirements with SymbolicUtils [d1185830] to versions: 0.18.0-0.18.13
│ │ │ │ └─SymbolicUtils [d1185830] log:
│ │ │ │ ├─possible versions are: 0.1.0-1.0.3 or uninstalled
│ │ │ │ └─restricted by compatibility requirements with Symbolics [0c5d862f] to versions: [0.8.4-0.13.5, 0.15.1-0.19.11, 1.0.1-1.0.3]
│ │ │ │ └─Symbolics [0c5d862f] log:
│ │ │ │ ├─possible versions are: 0.1.0-5.1.0 or uninstalled
│ │ │ │ └─restricted to versions * by an explicit requirement, leaving only versions 0.1.0-5.1.0
│ │ │ └─restricted by compatibility requirements with Graphics [a2bd30eb] to versions: 1.0.1-1.0.5 or uninstalled, leaving only versions: 1.0.1-1.0.5
│ │ │ └─Graphics [a2bd30eb] log:
│ │ │ ├─possible versions are: 0.4.0-1.1.2 or uninstalled
│ │ │ └─restricted by compatibility requirements with Compat [34da2185] to versions: 1.0.0-1.1.2 or uninstalled, leaving only versions: 1.0.0-1.1.2
│ │ │ └─Compat [34da2185] log: see above
│ │ └─restricted by compatibility requirements with ColorVectorSpace [c3611d14] to versions: 0.6.0-0.7.4 or uninstalled, leaving only versions: 0.6.0
│ │ └─ColorVectorSpace [c3611d14] log:
│ │ ├─possible versions are: 0.6.0-0.9.10 or uninstalled
│ │ ├─restricted by compatibility requirements with QuartzImageIO [dca85d43] to versions: 0.6.0-0.8.7
│ │ │ └─QuartzImageIO [dca85d43] log: see above
│ │ └─restricted by compatibility requirements with StatsBase [2913bbd2] to versions: 0.8.5-0.9.10 or uninstalled, leaving only versions: 0.8.5-0.8.7
│ │ └─StatsBase [2913bbd2] log:
│ │ ├─possible versions are: 0.24.0-0.33.21 or uninstalled
│ │ └─restricted by compatibility requirements with DataStructures [864edb3b] to versions: 0.33.1-0.33.21 or uninstalled, leaving only versions: 0.33.1-0.33.21
│ │ └─DataStructures [864edb3b] log: see above
│ └─restricted by compatibility requirements with ColorVectorSpace [c3611d14] to versions: 0.8.0-0.10.12, leaving only versions: 0.8.0-0.9.1
│ └─ColorVectorSpace [c3611d14] log: see above
└─restricted by compatibility requirements with Reexport [189a3867] to versions: 0.12.6-0.12.10 or uninstalled — no versions left
└─Reexport [189a3867] log:
├─possible versions are: 0.2.0-1.2.2 or uninstalled
└─restricted by compatibility requirements with LinearSolve [7ed4a6bd] to versions: 1.0.0-1.2.2
└─LinearSolve [7ed4a6bd] log:
├─possible versions are: 0.1.0-1.38.0 or uninstalled
└─restricted by compatibility requirements with DifferentialEquations [0c46a032] to versions: 1.0.0-1.38.0
└─DifferentialEquations [0c46a032] log:
├─possible versions are: 5.0.0-7.7.0 or uninstalled
├─restricted to versions * by an explicit requirement, leaving only versions 5.0.0-7.7.0
└─restricted by compatibility requirements with OptControl [8656af21] to versions: 7.1.0-7.7.0
└─OptControl [8656af21] log:
├─possible versions are: 0.1.0-1.0.1 or uninstalled
└─restricted to versions * by an explicit requirement, leaving only versions 0.1.0-1.0.1

[jake484]

This may be incompatible with some installed packages. Try creating a new environment in a folder and add it again. Or try updating the julia version？