The error details are bellow.
CopySwiftLibs /Users/dogusyigitozcelik/Library/Developer/Xcode/DerivedData/ReversoContext-ekesforwrbxiabawqnxlcutggwoy/Build/Products/Debug-watchsimulator/ReversoWatch\ Extension.appex (in target: ReversoWatch Extension)
cd /Users/dogusyigitozcelik/Desktop/Development/ReversoApp/Branches/v9.0.1/ReversoContext
export CODESIGN_ALLOCATE=/Users/dogusyigitozcelik/Downloads/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/codesign_allocate
export DEVELOPER_DIR=/Users/dogusyigitozcelik/Downloads/Xcode-beta.app/Contents/Developer
export SDKROOT=/Users/dogusyigitozcelik/Downloads/Xcode-beta.app/Contents/Developer/Platforms/WatchSimulator.platform/Developer/SDKs/WatchSimulator6.0.sdk
builtin-swiftStdLibTool --copy --verbose --sign - --scan-executable /Users/dogusyigitozcelik/Library/Developer/Xcode/DerivedData/ReversoContext-ekesforwrbxiabawqnxlcutggwoy/Build/Products/Debug-watchsimulator/ReversoWatch\ Extension.appex/ReversoWatch\ Extension --scan-folder /Users/dogusyigitozcelik/Library/Developer/Xcode/DerivedData/ReversoContext-ekesforwrbxiabawqnxlcutggwoy/Build/Products/Debug-watchsimulator/ReversoWatch\ Extension.appex/Frameworks --scan-folder /Users/dogusyigitozcelik/Library/Developer/Xcode/DerivedData/ReversoContext-ekesforwrbxiabawqnxlcutggwoy/Build/Products/Debug-watchsimulator/ReversoWatch\ Extension.appex/PlugIns --platform watchsimulator --toolchain /Users/dogusyigitozcelik/Downloads/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain --destination /Users/dogusyigitozcelik/Library/Developer/Xcode/DerivedData/ReversoContext-ekesforwrbxiabawqnxlcutggwoy/Build/Products/Debug-watchsimulator/ReversoWatch\ Extension.appex/Frameworks --strip-bitcode --strip-bitcode-tool /Users/dogusyigitozcelik/Downloads/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/bitcode_strip --emit-dependency-info /Users/dogusyigitozcelik/Library/Developer/Xcode/DerivedData/ReversoContext-ekesforwrbxiabawqnxlcutggwoy/Build/Intermediates.noindex/ReversoContext.build/Debug-watchsimulator/ReversoWatch\ Extension.build/SwiftStdLibToolInputDependencies.dep --filter-for-swift-os
error: Build input file cannot be found: '/Users/dogusyigitozcelik/Library/Developer/Xcode/DerivedData/ReversoContext-ekesforwrbxiabawqnxlcutggwoy/Build/Products/Debug-watchsimulator/ReversoWatch Extension.appex/ReversoWatch Extension' (in target 'ReversoWatch Extension')