React本机ios版本构建不起作用，它说；模块AppRegistry不是已注册的可调用模块“；

Hi在将react native从版本0.51.0升级到版本0.55.4后出现此错误

2018-07-13 15:20:04.876 [error][tid:com.facebook.react.JavaScript] Native module cannot be null.
2018-07-13 15:20:04.876332+0530 mobileappb2c[12095:611048] Native module cannot be null.
2018-07-13 15:20:04.879 [fatal][tid:com.facebook.react.ExceptionsManagerQueue] Unhandled JS Exception: Native module cannot be null.
2018-07-13 15:20:04.879700+0530 mobileappb2c[12095:611052] Unhandled JS Exception: Native module cannot be null.
2018-07-13 15:20:04.882 [error][tid:com.facebook.react.JavaScript] Module AppRegistry is not a registered callable module (calling runApplication)
2018-07-13 15:20:04.881977+0530 mobileappb2c[12095:611048] Module AppRegistry is not a registered callable module (calling runApplication)
2018-07-13 15:20:04.882812+0530 mobileappb2c[12095:611052] *** Terminating app due to uncaught exception 'RCTFatalException: Unhandled JS Exception: Native module cannot be null.', reason: 'Unhandled JS Exception: Native module cannot be null., stack:
t@69:276

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这个问题只在发布版本中出现，你知道如何解决吗

这可能会有帮助，但不起作用。这肯定是某些与react native不兼容的软件包，但不确定是哪一个。您可以尝试清理缓存并重新安装npm吗？