Iwatch error: Fail to code Sign "* * *" No valid signing identities (i.e. certificate and private key pair

This error is a mismatch between the certificate and the developer account. This is usually the case when we run other people's projects. So you need to check the developer Account production certificate, with their own account to regenerate.

For example, if someone else's project uses HealthKit. You will report this error directly when you run it, because you need to HealthKit the developer account to produce the corresponding certificate. So when we run it, we use our own developer account to regenerate the certificate. For more information, refer to this blog: http ://blog.csdn.net/soindy/article/details/47184933

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Iwatch error: Fail to code Sign "* * *" No valid signing identities (i.e. certificate and private key pair