how to create music user token for Apple musikkit API's. Each time execute
SKCloudServiceController().requestPersonalizationToken(forClientToken: developerTokenString) { (userToken, error) in
if let token = userToken {
//
} else {
debugPrint("user token error \(error!.localizedDescription)")
}
}
with developer token getting error
"The operation couldn’t be completed. (SKErrorDomain error 7.)"
Is there any way to check that my developer token is valid or not.