{"action":"closed","issue":{"url":"https://api.github.com/repos/numenta/nupic.core/issues/1390","repository_url":"https://api.github.com/repos/numenta/nupic.core","labels_url":"https://api.github.com/repos/numenta/nupic.core/issues/1390/labels{/name}","comments_url":"https://api.github.com/repos/numenta/nupic.core/issues/1390/comments","events_url":"https://api.github.com/repos/numenta/nupic.core/issues/1390/events","html_url":"https://github.com/numenta/nupic.core/issues/1390","id":288115813,"number":1390,"title":"SP crashes on compute when no winners (no active columns) - caused by too few columns","user":{"login":"breznak","id":2166111,"avatar_url":"https://avatars0.githubusercontent.com/u/2166111?v=4","gravatar_id":"","url":"https://api.github.com/users/breznak","html_url":"https://github.com/breznak","followers_url":"https://api.github.com/users/breznak/followers","following_url":"https://api.github.com/users/breznak/following{/other_user}","gists_url":"https://api.github.com/users/breznak/gists{/gist_id}","starred_url":"https://api.github.com/users/breznak/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/breznak/subscriptions","organizations_url":"https://api.github.com/users/breznak/orgs","repos_url":"https://api.github.com/users/breznak/repos","events_url":"https://api.github.com/users/breznak/events{/privacy}","received_events_url":"https://api.github.com/users/breznak/received_events","type":"User","site_admin":false},"labels":[{"id":78895658,"url":"https://api.github.com/repos/numenta/nupic.core/labels/subject:algorithms","name":"subject:algorithms","color":"c7def8","default":false},{"id":77738349,"url":"https://api.github.com/repos/numenta/nupic.core/labels/type:bug","name":"type:bug","color":"fc2929","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-01-12T13:16:06Z","updated_at":"2018-02-09T20:31:33Z","closed_at":"2018-02-09T20:31:33Z","author_association":"MEMBER","body":"the `isWinner_()` method crashes, as it tries to index `[-1]`. This happens when there are no winners, and no active columns. This can happen with too small SP (few columns ~20). "}}
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