Cant seem to install package

Updating https://github.com/carson-katri/router
Updating https://github.com/wickwirew/Runtime
Updating https://github.com/swiftwasm/JavaScriptKit.git
Updating https://github.com/TokamakUI/Tokamak
Updating https://github.com/TokamakUI/OpenCombine.git
Updating https://github.com/swiftwasm/OpenCombineJS.git
Everything is already up-to-date
[1/55] Compiling OpenCombine DebugHook.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[2/69] Compiling OpenCombine FilterProducer.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[3/120] Compiling OpenCombine ConnectablePublisher.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[4/120] Compiling OpenCombine CurrentValueSubject.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[5/120] Compiling OpenCombine Codable.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[6/120] Compiling OpenCombine CombineIdentifier.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[7/120] Compiling OpenCombine AnySubscriber.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[8/120] Compiling OpenCombine Cancellable.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[9/120] Compiling OpenCombine CustomCombineIdentifierConvertible.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[10/120] Compiling OpenCombine Future.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[11/120] Compiling OpenCombine AnyCancellable.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[12/120] Compiling OpenCombine AnyPublisher.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[13/120] Compiling OpenCombine ConduitBase.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI
^
[14/120] Compiling OpenCombine ConduitList.swift
/Users/jimmyhoughjr/Documents/nscbr/.build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift:1:8: error: no such module 'SwiftUI'
import SwiftUI

Start with the reported failure in .build/checkouts/router/Sources/Router/Helpers/EnvironmentObject+exists.swift and review how the package is being built. Reproduce the missing SwiftUI module error, then determine the required package or platform setup and verify that the project builds successfully.

Written by the indexing model from the issue text.