Testing a recent build of the plugin, when creating a new Pipeline I get the following exception in the logs. Unfortunately I'm never told as a user what the error is, so I'm likely going to keep trying over and over and over again to make this worse, further exacerbating the error 
Now, something might be retrying over and over again in the background which caused this error, but I'm not sure what that might be.,
Aug 19, 2017 9:07:37 PM io.jenkins.blueocean.blueocean_github_pipeline.GithubPipelineCreateRequest cleanupOnError
SEVERE: Error creating pipeline rtyler: GitHub API rate limit exceeded
org.jenkinsci.plugins.github_branch_source.RateLimitExceededException: GitHub API rate limit exceeded
at org.jenkinsci.plugins.github_branch_source.Connector$1.onError(Connector.java:407)
at org.kohsuke.github.Requester.handleApiError(Requester.java:676)
at org.kohsuke.github.Requester._to(Requester.java:285)
at org.kohsuke.github.Requester.to(Requester.java:226)
at org.kohsuke.github.GitHub.checkApiUrlValidity(GitHub.java:668)
at org.jenkinsci.plugins.github_branch_source.GitHubSCMSource.checkApiUrlValidity(GitHubSCMSource.java:1020)
at org.jenkinsci.plugins.github_branch_source.GitHubSCMSource.retrieve(GitHubSCMSource.java:826)
at jenkins.scm.api.SCMSource._retrieve(SCMSource.java:355)
at jenkins.scm.api.SCMSource.fetch(SCMSource.java:285)
at io.jenkins.blueocean.blueocean_github_pipeline.GithubPipelineCreateRequest.repoHasJenkinsFile(GithubPipelineCreateRequest.java:329)
at io.jenkins.blueocean.blueocean_github_pipeline.GithubPipelineCreateRequest.create(GithubPipelineCreateRequest.java:181) at io.jenkins.blueocean.rest.model.BluePipelineContainer.create(BluePipelineContainer.java:48)
at io.jenkins.blueocean.rest.model.BluePipelineContainer.create(BluePipelineContainer.java:44)
at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)
at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:343)
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:184)
at org.kohsuke.stapler.SelectionInterceptedFunction$Adapter.invoke(SelectionInterceptedFunction.java:36)
at org.kohsuke.stapler.verb.HttpVerbInterceptor.invoke(HttpVerbInterceptor.java:48)
at org.kohsuke.stapler.SelectionInterceptedFunction.bindAndInvoke(SelectionInterceptedFunction.java:26)
at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:117)
at org.kohsuke.stapler.IndexDispatcher.dispatch(IndexDispatcher.java:26)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:715)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:845)
at org.kohsuke.stapler.MetaClass$3.doDispatch(MetaClass.java:209) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:715)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:845)
at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:374)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:715)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:845)
at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:374)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:715)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:845)
at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:374)
cliffmeyers could you please check that creation would actually show these errors to the user?