iOS Question HOSTED ERROR

B4i Version: 8.51
Parsing code. (0.01s)
Building folders structure. (0.03s)
Running custom action. (0.03s)
Compiling code. (0.03s)
Compiling layouts code. (0.00s)
Building Xcode project. (0.10s)
Preparing project for builder. Error
Error retrieving token: Communication error: NameResolutionFailure