Request to https://api.github.com/user/repos failed with status 422 when running the second time

[yoosinpaddy]

Getting repo list from Bitbucket...
Fetching commits from 1 Bitbucket repos...
Done.
Creating GitHub shadow repo...
Request to https://api.github.com/user/repos failed with status 422:
"Repository creation failed."
(node:15080) UnhandledPromiseRejectionWarning: Error: Initialization of repository failed
at GithubPusher._initShadowRepo (D:\Projects\VersionControl\bBucket2gHub\src\github\github-push.js:35:19)
at processTicksAndRejections (internal/process/task_queues.js:94:5)
at async GithubPusher.sync (D:\Projects\VersionControl\bBucket2gHub\src\github\github-push.js:156:13)
at async main (D:\Projects\VersionControl\bBucket2gHub\src\index.js:27:5)
(node:15080) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:15080) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.