[!] Unable to determine Swift version for the following pods:
install_plugin does not specify a Swift version and none of the targets (Runner) integrating it have the SWIFT_VERSION attribute set. Please contact the author or set the SWIFT_VERSION attribute in at least one of the targets that integrate this pod.
Xcode:
The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.
[!] Unable to determine Swift version for the following pods:
install_plugindoes not specify a Swift version and none of the targets (Runner) integrating it have theSWIFT_VERSIONattribute set. Please contact the author or set theSWIFT_VERSIONattribute in at least one of the targets that integrate this pod.Xcode: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.