The request was denied by service delegate (SBMainWorkspace)

Question

I\'m getting error while trying to run my app*. Xcode says \"The request to open \"com.arm-tab.firebase-test\" failed. The request was denied by service del

Answer 1

I had 2 Xcode workspaces open. I closed one. Error stopped. App ran fine in simulator thereafter.

More details: Workspace A contained Swift Framework X I was creating. Workspace B contained App Z that used Swift Framework X. Workspaces were in separate folders. Workspace B pulled in Swift Framework X via Carthage and Git. No local file system link between workspaces.