# Error in installing DynamicalSystems,jl
**URL:** https://discourse.julialang.org/t/error-in-installing-dynamicalsystems-jl/71761
**Category:** New to Julia
**Tags:** question, package, error-message
**Created:** [November 19, 2021, 6:41am UTC](https://discourse.julialang.org/t/error-in-installing-dynamicalsystems-jl/71761 "2021-11-19T06:41:41Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@aburousan](https://discourse.julialang.org/u/aburousan)
#### Post date: [November 19, 2021, 6:41am UTC](https://discourse.julialang.org/t/error-in-installing-dynamicalsystems-jl/71761/1 "2021-11-19T06:41:41Z")
I am trying to install the DynamicalSystem.jl package but continuously facing this error. Can Someone help me with this? (Julia version- 1.6.3)
```julia
julia> Pkg.add("DynamicalSystems")
Resolving package versions...
ERROR: Unsatisfiable requirements detected for package Wavelets [29a6e085]:
Wavelets [29a6e085] log:
├─possible versions are: 0.7.0-0.9.3 or uninstalled
├─restricted by compatibility requirements with FFTW [7a1cc6ca] to versions: [0.7.0-0.8.0, 0.9.2-0.9.3] or uninstalled
│ └─FFTW [7a1cc6ca] log:
│ ├─possible versions are: 0.1.0-1.4.5 or uninstalled
│ ├─restricted by compatibility requirements with Oceananigans [9e8cae18] to versions: 0.1.0-1.4.5
│ │ └─Oceananigans [9e8cae18] log:
│ │ ├─possible versions are: 0.5.1-0.66.1 or uninstalled
│ │ ├─restricted to versions * by an explicit requirement, leaving only versions 0.5.1-0.66.1
│ │ ├─restricted by compatibility requirements with CUDA [052768ef] to versions: [0.5.1-0.30.0, 0.44.1-0.66.1] or uninstalled, leaving only versions: [0.5.1-0.30.0, 0.44.1-0.66.1]
│ │ │ └─CUDA [052768ef] log:
│ │ │ ├─possible versions are: 0.1.0-3.5.0 or uninstalled
│ │ │ ├─restricted to versions * by an explicit requirement, leaving only versions 0.1.0-3.5.0
│ │ │ └─restricted by julia compatibility requirements to versions: [2.3.0, 2.5.0-3.5.0] or uninstalled, leaving only versions: [2.3.0, 2.5.0-3.5.0]
│ │ ├─restricted by compatibility requirements with Adapt [79e6a3ab] to versions: [0.5.1-0.5.3, 0.31.0-0.66.1] or uninstalled, leaving only versions: [0.5.1-0.5.3, 0.44.1-0.66.1]
│ │ │ └─Adapt [79e6a3ab] log:
│ │ │ ├─possible versions are: 0.3.0-3.3.1 or uninstalled
│ │ │ └─restricted by compatibility requirements with CUDA [052768ef] to versions: 2.2.0-3.3.1
│ │ │ └─CUDA [052768ef] log: see above
│ │ ├─restricted by compatibility requirements with CuArrays [3a865a2d] to versions: [0.5.1, 0.31.0-0.66.1] or uninstalled, leaving only versions: [0.5.1, 0.44.1-0.66.1]
│ │ │ └─CuArrays [3a865a2d] log:
│ │ │ ├─possible versions are: 0.2.1-2.2.2 or uninstalled
│ │ │ └─restricted by julia compatibility requirements to versions: uninstalled
│ │ ├─restricted by compatibility requirements with StaticArrays [90137ffa] to versions: [0.5.1, 0.12.0-0.37.0, 0.45.0-0.66.1] or uninstalled, leaving only versions: [0.5.1, 0.45.0-0.66.1]
│ │ │ └─StaticArrays [90137ffa] log:
│ │ │ ├─possible versions are: 0.8.0-1.2.13 or uninstalled
│ │ │ ├─restricted to versions * by an explicit requirement, leaving only versions 0.8.0-1.2.13
│ │ │ └─restricted by compatibility requirements with OpticSim [24114763] to versions: 1.0.0-1.2.13
│ │ │ └─OpticSim [24114763] log:
│ │ │ ├─possible versions are: 0.3.0-0.5.2 or uninstalled
│ │ │ └─restricted to versions * by an explicit requirement, leaving only versions 0.3.0-0.5.2
│ │ └─restricted by compatibility requirements with FFTW [7a1cc6ca] to versions: 0.5.2-0.66.1 or uninstalled, leaving only versions: 0.45.0-0.66.1
│ │ └─FFTW [7a1cc6ca] log: see above
│ ├─restricted by compatibility requirements with KitBase [86eed249] to versions: 1.0.0-1.4.5
│ │ └─KitBase [86eed249] log:
│ │ ├─possible versions are: 0.1.0-0.7.3 or uninstalled
│ │ └─restricted by compatibility requirements with KitML [b2531deb] to versions: [0.1.0, 0.3.0-0.7.3]
│ │ └─KitML [b2531deb] log:
│ │ ├─possible versions are: 0.1.0-0.4.1 or uninstalled
│ │ └─restricted to versions * by an explicit requirement, leaving only versions 0.1.0-0.4.1
│ └─restricted by compatibility requirements with AbstractFFTs [621f4979] to versions: 1.1.0-1.4.5 or uninstalled, leaving only versions: 1.1.0-1.4.5
│ └─AbstractFFTs [621f4979] log:
│ ├─possible versions are: 0.3.0-1.0.1 or uninstalled
│ ├─restricted by compatibility requirements with CUDA [052768ef] to versions: 0.4.0-1.0.1
│ │ └─CUDA [052768ef] log: see above
│ └─restricted by compatibility requirements with Zygote [e88e6eb3] to versions: 0.5.0-1.0.1
│ └─Zygote [e88e6eb3] log:
│ ├─possible versions are: 0.1.0-0.6.30 or uninstalled
│ └─restricted by compatibility requirements with OpticSim [24114763] to versions: 0.6.0-0.6.30
│ └─OpticSim [24114763] log: see above
├─restricted by compatibility requirements with Compat [34da2185] to versions: 0.9.0-0.9.3 or uninstalled, leaving only versions: 0.9.2-0.9.3 or uninstalled
│ └─Compat [34da2185] log:
│ ├─possible versions are: 1.0.0-3.40.0 or uninstalled
│ └─restricted by compatibility requirements with DataFrames [a93c6f00] to versions: 3.17.0-3.40.0
│ └─DataFrames [a93c6f00] log:
│ ├─possible versions are: 0.11.7-1.2.2 or uninstalled
│ ├─restricted to versions * by an explicit requirement, leaving only versions 0.11.7-1.2.2
│ └─restricted by compatibility requirements with OpticSim [24114763] to versions: 0.22.0-1.2.2
│ └─OpticSim [24114763] log: see above
├─restricted by compatibility requirements with Entropies [ed8fcbec] to versions: 0.9.0-0.9.3, leaving only versions: 0.9.2-0.9.3
│ └─Entropies [ed8fcbec] log:
│ ├─possible versions are: 0.1.0-1.1.0 or uninstalled
│ ├─restricted to versions * by an explicit requirement, leaving only versions 0.1.0-1.1.0
│ ├─restricted by compatibility requirements with StaticArrays [90137ffa] to versions: [0.1.0, 0.10.4-1.1.0] or uninstalled, leaving only versions: [0.1.0, 0.10.4-1.1.0]
│ │ └─StaticArrays [90137ffa] log: see above
│ ├─restricted by compatibility requirements with ChaosTools [608a59af] to versions: 0.9.0-1.1.0, leaving only versions: 0.10.4-1.1.0
│ │ └─ChaosTools [608a59af] log:
│ │ ├─possible versions are: 0.12.0-2.6.1 or uninstalled
│ │ ├─restricted by compatibility requirements with DynamicalSystems [61744808] to versions: 1.0.0-2.6.1
│ │ │ └─DynamicalSystems [61744808] log:
│ │ │ ├─possible versions are: 1.0.0-2.1.3 or uninstalled
│ │ │ ├─restricted to versions * by an explicit requirement, leaving only versions 1.0.0-2.1.3
│ │ │ └─restricted by compatibility requirements with StaticArrays [90137ffa] to versions: 1.7.1-2.1.3 or uninstalled, leaving only versions: 1.7.1-2.1.3
│ │ │ └─StaticArrays [90137ffa] log: see above
│ │ ├─restricted by compatibility requirements with StaticArrays [90137ffa] to versions: 1.20.0-2.6.1 or uninstalled, leaving only versions: 1.20.0-2.6.1
│ │ │ └─StaticArrays [90137ffa] log: see above
│ │ └─restricted by compatibility requirements with DynamicalSystems [61744808] to versions: 1.21.1-2.6.1
│ │ └─DynamicalSystems [61744808] log: see above
│ └─restricted by compatibility requirements with DynamicalSystems [61744808] to versions: 0.11.0-1.1.0
│ └─DynamicalSystems [61744808] log: see above
└─restricted by compatibility requirements with DSP [717857b8] to versions: uninstalled — no versions left
└─DSP [717857b8] log:
├─possible versions are: 0.5.1-0.7.3 or uninstalled
├─restricted by compatibility requirements with ChaosTools [608a59af] to versions: 0.6.0-0.7.3
│ └─ChaosTools [608a59af] log: see above
└─restricted by compatibility requirements with Polynomials [f27b6e38] to versions: 0.7.0-0.7.3 or uninstalled, leaving only versions: 0.7.0-0.7.3
└─Polynomials [f27b6e38] log:
├─possible versions are: 0.5.0-2.0.18 or uninstalled
├─restricted to versions * by an explicit requirement, leaving only versions 0.5.0-2.0.18
└─restricted by compatibility requirements with OpticSim [24114763] to versions: 2.0.0-2.0.18
└─OpticSim [24114763] log: see above
```
---
### Author:  [@goerch](https://discourse.julialang.org/u/goerch)
#### Post date: [November 19, 2021, 10:44am UTC](https://discourse.julialang.org/t/error-in-installing-dynamicalsystems-jl/71761/2 "2021-11-19T10:44:05Z")
Are you working with the global environment? [4. Working with Environments · Pkg.jl](https://pkgdocs.julialang.org/v1/environments/)
---
### Author:  [@aburousan](https://discourse.julialang.org/u/aburousan)
#### Post date: [November 20, 2021, 12:16pm UTC](https://discourse.julialang.org/t/error-in-installing-dynamicalsystems-jl/71761/3 "2021-11-20T12:16:45Z")
It seems , this was happening due to **OpticSim**. I have uninstalled that and now **DynamicalSystem** is working fine.