Only edit the code with the Vscode editor. Always have aba-blockchain-gui opened as a root folder in the Vscode and not aba-blockchain, or aba-blockchain-gui/packages ...
-- Criar a janela principal com o título alterado local Window = Fluent:CreateWindow({ Title = "CH-dead rils-CH", TabWidth = 120, Size = UDim2.fromOffset(480, 360 ...