I encountered same exact problem.
RemoteHumanReadableError: Failed to update preview.
Error encountered when sending 'previewInstances' message to agent.
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| RemoteHumanReadableError
|
| LoadingError: failed to load library at path "/Users/won/Library/Developer/Xcode/DerivedData/Manhwakyung-ios-galpxdndpxrpxwescmggerjjhokl/Build/Intermediates.noindex/Previews/MHKUI/Products/Debug-iphonesimulator/PackageFrameworks/MHKUI_CB8D5E841E3_PackageProduct.framework/MHKUI_CB8D5E841E3_PackageProduct": Optional(dlopen(/Users/won/Library/Developer/Xcode/DerivedData/Manhwakyung-ios-galpxdndpxrpxwescmggerjjhokl/Build/Intermediates.noindex/Previews/MHKUI/Products/Debug-iphonesimulator/PackageFrameworks/MHKUI_CB8D5E841E3_PackageProduct.framework/MHKUI_CB8D5E841E3_PackageProduct, 0): Library not loaded: @rpath/SnapKit.framework/SnapKit
| Referenced from: /Users/won/Library/Developer/Xcode/DerivedData/Manhwakyung-ios-galpxdndpxrpxwescmggerjjhokl/Build/Intermediates.noindex/Previews/MHKUI/Products/Debug-iphonesimulator/PackageFrameworks/MHKUI_CB8D5E841E3_PackageProduct.framework/MHKUI_CB8D5E841E3_PackageProduct
| Reason: image not found)
theedeveloper
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