Projects::Integrations::Jira::IssuesFinder::RequestError: Jira request error: Bad Request

https://sentry.gitlab.net/gitlab/gitlabcom/issues/2599862/?referrer=gitlab_plugin

Projects::Integrations::Jira::IssuesFinder::RequestError: Jira request error: Bad Request
  projects/integrations/jira/issues_finder.rb:53:in `fetch_issues'
    raise RequestError, response.message
  projects/integrations/jira/issues_finder.rb:35:in `execute'
    fetch_issues(project_key)
  projects/integrations/jira/issues_controller.rb:52:in `issues_json'
    finder.execute,
  projects/integrations/jira/issues_controller.rb:28:in `block (2 levels) in index'
    render json: issues_json
  action_controller/metal/mime_responds.rb:214:in `respond_to'
    response.call if response
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